snapshot of https://github.com/ent/ent.git (master, 2026-09-15; blobs > 131072B omitted)

entc/integration/migrate/entv1/car.go

@@ -0,0 +1,134 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package entv1
+
+import (
+	"fmt"
+	"strings"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/entc/integration/migrate/entv1/car"
+	"entgo.io/ent/entc/integration/migrate/entv1/user"
+)
+
+// Car is the model entity for the Car schema.
+type Car struct {
+	config
+	// ID of the ent.
+	ID int `json:"id,omitempty"`
+	// Edges holds the relations/edges for other nodes in the graph.
+	// The values are being populated by the CarQuery when eager-loading is set.
+	Edges        CarEdges `json:"edges"`
+	user_car     *int
+	selectValues sql.SelectValues
+}
+
+// CarEdges holds the relations/edges for other nodes in the graph.
+type CarEdges struct {
+	// Owner holds the value of the owner edge.
+	Owner *User `json:"owner,omitempty"`
+	// loadedTypes holds the information for reporting if a
+	// type was loaded (or requested) in eager-loading or not.
+	loadedTypes [1]bool
+}
+
+// OwnerOrErr returns the Owner value or an error if the edge
+// was not loaded in eager-loading, or loaded but was not found.
+func (e CarEdges) OwnerOrErr() (*User, error) {
+	if e.Owner != nil {
+		return e.Owner, nil
+	} else if e.loadedTypes[0] {
+		return nil, &NotFoundError{label: user.Label}
+	}
+	return nil, &NotLoadedError{edge: "owner"}
+}
+
+// scanValues returns the types for scanning values from sql.Rows.
+func (*Car) scanValues(columns []string) ([]any, error) {
+	values := make([]any, len(columns))
+	for i := range columns {
+		switch columns[i] {
+		case car.FieldID:
+			values[i] = new(sql.NullInt64)
+		case car.ForeignKeys[0]: // user_car
+			values[i] = new(sql.NullInt64)
+		default:
+			values[i] = new(sql.UnknownType)
+		}
+	}
+	return values, nil
+}
+
+// assignValues assigns the values that were returned from sql.Rows (after scanning)
+// to the Car fields.
+func (_m *Car) assignValues(columns []string, values []any) error {
+	if m, n := len(values), len(columns); m < n {
+		return fmt.Errorf("mismatch number of scan values: %d != %d", m, n)
+	}
+	for i := range columns {
+		switch columns[i] {
+		case car.FieldID:
+			value, ok := values[i].(*sql.NullInt64)
+			if !ok {
+				return fmt.Errorf("unexpected type %T for field id", value)
+			}
+			_m.ID = int(value.Int64)
+		case car.ForeignKeys[0]:
+			if value, ok := values[i].(*sql.NullInt64); !ok {
+				return fmt.Errorf("unexpected type %T for edge-field user_car", value)
+			} else if value.Valid {
+				_m.user_car = new(int)
+				*_m.user_car = int(value.Int64)
+			}
+		default:
+			_m.selectValues.Set(columns[i], values[i])
+		}
+	}
+	return nil
+}
+
+// Value returns the ent.Value that was dynamically selected and assigned to the Car.
+// This includes values selected through modifiers, order, etc.
+func (_m *Car) Value(name string) (ent.Value, error) {
+	return _m.selectValues.Get(name)
+}
+
+// QueryOwner queries the "owner" edge of the Car entity.
+func (_m *Car) QueryOwner() *UserQuery {
+	return NewCarClient(_m.config).QueryOwner(_m)
+}
+
+// Update returns a builder for updating this Car.
+// Note that you need to call Car.Unwrap() before calling this method if this Car
+// was returned from a transaction, and the transaction was committed or rolled back.
+func (_m *Car) Update() *CarUpdateOne {
+	return NewCarClient(_m.config).UpdateOne(_m)
+}
+
+// Unwrap unwraps the Car entity that was returned from a transaction after it was closed,
+// so that all future queries will be executed through the driver which created the transaction.
+func (_m *Car) Unwrap() *Car {
+	_tx, ok := _m.config.driver.(*txDriver)
+	if !ok {
+		panic("entv1: Car is not a transactional entity")
+	}
+	_m.config.driver = _tx.drv
+	return _m
+}
+
+// String implements the fmt.Stringer.
+func (_m *Car) String() string {
+	var builder strings.Builder
+	builder.WriteString("Car(")
+	builder.WriteString(fmt.Sprintf("id=%v", _m.ID))
+	builder.WriteByte(')')
+	return builder.String()
+}
+
+// Cars is a parsable slice of Car.
+type Cars []*Car

entc/integration/migrate/entv1/car/car.go

@@ -0,0 +1,80 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package car
+
+import (
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+)
+
+const (
+	// Label holds the string label denoting the car type in the database.
+	Label = "car"
+	// FieldID holds the string denoting the id field in the database.
+	FieldID = "id"
+	// EdgeOwner holds the string denoting the owner edge name in mutations.
+	EdgeOwner = "owner"
+	// UserFieldID holds the string denoting the ID field of the User.
+	UserFieldID = "oid"
+	// Table holds the table name of the car in the database.
+	Table = "Car"
+	// OwnerTable is the table that holds the owner relation/edge.
+	OwnerTable = "Car"
+	// OwnerInverseTable is the table name for the User entity.
+	// It exists in this package in order to avoid circular dependency with the "user" package.
+	OwnerInverseTable = "users"
+	// OwnerColumn is the table column denoting the owner relation/edge.
+	OwnerColumn = "user_car"
+)
+
+// Columns holds all SQL columns for car fields.
+var Columns = []string{
+	FieldID,
+}
+
+// ForeignKeys holds the SQL foreign-keys that are owned by the "Car"
+// table and are not defined as standalone fields in the schema.
+var ForeignKeys = []string{
+	"user_car",
+}
+
+// ValidColumn reports if the column name is valid (part of the table columns).
+func ValidColumn(column string) bool {
+	for i := range Columns {
+		if column == Columns[i] {
+			return true
+		}
+	}
+	for i := range ForeignKeys {
+		if column == ForeignKeys[i] {
+			return true
+		}
+	}
+	return false
+}
+
+// OrderOption defines the ordering options for the Car queries.
+type OrderOption func(*sql.Selector)
+
+// ByID orders the results by the id field.
+func ByID(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldID, opts...).ToFunc()
+}
+
+// ByOwnerField orders the results by owner field.
+func ByOwnerField(field string, opts ...sql.OrderTermOption) OrderOption {
+	return func(s *sql.Selector) {
+		sqlgraph.OrderByNeighborTerms(s, newOwnerStep(), sql.OrderByField(field, opts...))
+	}
+}
+func newOwnerStep() *sqlgraph.Step {
+	return sqlgraph.NewStep(
+		sqlgraph.From(Table, FieldID),
+		sqlgraph.To(OwnerInverseTable, UserFieldID),
+		sqlgraph.Edge(sqlgraph.O2O, true, OwnerTable, OwnerColumn),
+	)
+}

entc/integration/migrate/entv1/car/mutation.go

@@ -0,0 +1,259 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package car
+
+import (
+	"context"
+	"fmt"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/entc/integration/migrate/entv1/predicate"
+)
+
+// Mutation represents an operation that mutates the Car nodes in the graph.
+type Mutation struct {
+	op            ent.Op
+	typ           string
+	clearedFields map[string]struct{}
+	owner         *int
+	clearedowner  bool
+	predicates    []predicate.Car
+}
+
+// NewMutation creates a new Mutation for the Car entity.
+func NewMutation(op ent.Op) *Mutation {
+	return &Mutation{
+		op:            op,
+		typ:           "Car",
+		clearedFields: make(map[string]struct{}),
+	}
+}
+
+// Predicates returns the list of predicates set on the mutation.
+func (m *Mutation) Predicates() []predicate.Car {
+	return m.predicates
+}
+
+// SetOwnerID sets the "owner" edge to the User entity by id.
+func (m *Mutation) SetOwnerID(id int) {
+	m.owner = &id
+}
+
+// ClearOwner clears the "owner" edge to the User entity.
+func (m *Mutation) ClearOwner() {
+	m.clearedowner = true
+}
+
+// OwnerCleared reports if the "owner" edge to the User entity was cleared.
+func (m *Mutation) OwnerCleared() bool {
+	return m.clearedowner
+}
+
+// OwnerID returns the "owner" edge ID in the mutation.
+func (m *Mutation) OwnerID() (id int, exists bool) {
+	if m.owner != nil {
+		return *m.owner, true
+	}
+	return
+}
+
+// OwnerIDs returns the "owner" edge IDs in the mutation.
+// Note that IDs always returns len(IDs) <= 1 for unique edges, and you should use
+// OwnerID instead. It exists only for internal usage by the builders.
+func (m *Mutation) OwnerIDs() (ids []int) {
+	if id := m.owner; id != nil {
+		ids = append(ids, *id)
+	}
+	return
+}
+
+// ResetOwner resets all changes to the "owner" edge.
+func (m *Mutation) ResetOwner() {
+	m.owner = nil
+	m.clearedowner = false
+}
+
+// Where appends a list predicates to the Mutation builder.
+func (m *Mutation) Where(ps ...predicate.Car) {
+	m.predicates = append(m.predicates, ps...)
+}
+
+// WhereP appends storage-level predicates to the Mutation builder. Using this method,
+// users can use type-assertion to append predicates that do not depend on any generated package.
+func (m *Mutation) WhereP(ps ...func(*sql.Selector)) {
+	p := make([]predicate.Car, len(ps))
+	for i := range ps {
+		p[i] = ps[i]
+	}
+	m.Where(p...)
+}
+
+// Op returns the operation name.
+func (m *Mutation) Op() ent.Op {
+	return m.op
+}
+
+// SetOp allows setting the mutation operation.
+func (m *Mutation) SetOp(op ent.Op) {
+	m.op = op
+}
+
+// Type returns the node type of this mutation (Car).
+func (m *Mutation) Type() string {
+	return m.typ
+}
+
+// Fields returns all fields that were changed during this mutation. Note that in
+// order to get all numeric fields that were incremented/decremented, call
+// AddedFields().
+func (m *Mutation) Fields() []string {
+	fields := make([]string, 0, 0)
+	return fields
+}
+
+// Field returns the value of a field with the given name. The second boolean
+// return value indicates that this field was not set, or was not defined in the
+// schema.
+func (m *Mutation) Field(name string) (ent.Value, bool) {
+	return nil, false
+}
+
+// OldField returns the old value of the field from the database. An error is
+// returned if the mutation operation is not UpdateOne, or the query to the
+// database failed.
+func (m *Mutation) OldField(ctx context.Context, name string) (ent.Value, error) {
+	return nil, fmt.Errorf("unknown Car field %s", name)
+}
+
+// SetField sets the value of a field with the given name. It returns an error if
+// the field is not defined in the schema, or if the type mismatched the field
+// type.
+func (m *Mutation) SetField(name string, value ent.Value) error {
+	switch name {
+	}
+	return fmt.Errorf("unknown Car field %s", name)
+}
+
+// AddedFields returns all numeric fields that were incremented/decremented during
+// this mutation.
+func (m *Mutation) AddedFields() []string {
+	return nil
+}
+
+// AddedField returns the numeric value that was incremented/decremented on a field
+// with the given name. The second boolean return value indicates that this field
+// was not set, or was not defined in the schema.
+func (m *Mutation) AddedField(name string) (ent.Value, bool) {
+	return nil, false
+}
+
+// AddField adds the value to the field with the given name. It returns an error if
+// the field is not defined in the schema, or if the type mismatched the field
+// type.
+func (m *Mutation) AddField(name string, value ent.Value) error {
+	return fmt.Errorf("unknown Car numeric field %s", name)
+}
+
+// ClearedFields returns all nullable fields that were cleared during this
+// mutation.
+func (m *Mutation) ClearedFields() []string {
+	return nil
+}
+
+// FieldCleared returns a boolean indicating if a field with the given name was
+// cleared in this mutation.
+func (m *Mutation) FieldCleared(name string) bool {
+	_, ok := m.clearedFields[name]
+	return ok
+}
+
+// ClearField clears the value of the field with the given name. It returns an
+// error if the field is not defined in the schema.
+func (m *Mutation) ClearField(name string) error {
+	return fmt.Errorf("unknown Car nullable field %s", name)
+}
+
+// ResetField resets all changes in the mutation for the field with the given name.
+// It returns an error if the field is not defined in the schema.
+func (m *Mutation) ResetField(name string) error {
+	return fmt.Errorf("unknown Car field %s", name)
+}
+
+// AddedEdges returns all edge names that were set/added in this mutation.
+func (m *Mutation) AddedEdges() []string {
+	edges := make([]string, 0, 1)
+	if m.owner != nil {
+		edges = append(edges, EdgeOwner)
+	}
+	return edges
+}
+
+// AddedIDs returns all IDs (to other nodes) that were added for the given edge
+// name in this mutation.
+func (m *Mutation) AddedIDs(name string) []ent.Value {
+	switch name {
+	case EdgeOwner:
+		if id := m.owner; id != nil {
+			return []ent.Value{*id}
+		}
+	}
+	return nil
+}
+
+// RemovedEdges returns all edge names that were removed in this mutation.
+func (m *Mutation) RemovedEdges() []string {
+	edges := make([]string, 0, 1)
+	return edges
+}
+
+// RemovedIDs returns all IDs (to other nodes) that were removed for the edge with
+// the given name in this mutation.
+func (m *Mutation) RemovedIDs(name string) []ent.Value {
+	return nil
+}
+
+// ClearedEdges returns all edge names that were cleared in this mutation.
+func (m *Mutation) ClearedEdges() []string {
+	edges := make([]string, 0, 1)
+	if m.clearedowner {
+		edges = append(edges, EdgeOwner)
+	}
+	return edges
+}
+
+// EdgeCleared returns a boolean which indicates if the edge with the given name
+// was cleared in this mutation.
+func (m *Mutation) EdgeCleared(name string) bool {
+	switch name {
+	case EdgeOwner:
+		return m.clearedowner
+	}
+	return false
+}
+
+// ClearEdge clears the value of the edge with the given name. It returns an error
+// if that edge is not defined in the schema.
+func (m *Mutation) ClearEdge(name string) error {
+	switch name {
+	case EdgeOwner:
+		m.ClearOwner()
+		return nil
+	}
+	return fmt.Errorf("unknown Car unique edge %s", name)
+}
+
+// ResetEdge resets all changes to the edge with the given name in this mutation.
+// It returns an error if the edge is not defined in the schema.
+func (m *Mutation) ResetEdge(name string) error {
+	switch name {
+	case EdgeOwner:
+		m.ResetOwner()
+		return nil
+	}
+	return fmt.Errorf("unknown Car edge %s", name)
+}

entc/integration/migrate/entv1/car/where.go

@@ -0,0 +1,96 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package car
+
+import (
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/entc/integration/migrate/entv1/predicate"
+)
+
+// ID filters vertices based on their ID field.
+func ID(id int) predicate.Car {
+	return predicate.Car(sql.FieldEQ(FieldID, id))
+}
+
+// IDEQ applies the EQ predicate on the ID field.
+func IDEQ(id int) predicate.Car {
+	return predicate.Car(sql.FieldEQ(FieldID, id))
+}
+
+// IDNEQ applies the NEQ predicate on the ID field.
+func IDNEQ(id int) predicate.Car {
+	return predicate.Car(sql.FieldNEQ(FieldID, id))
+}
+
+// IDIn applies the In predicate on the ID field.
+func IDIn(ids ...int) predicate.Car {
+	return predicate.Car(sql.FieldIn(FieldID, ids...))
+}
+
+// IDNotIn applies the NotIn predicate on the ID field.
+func IDNotIn(ids ...int) predicate.Car {
+	return predicate.Car(sql.FieldNotIn(FieldID, ids...))
+}
+
+// IDGT applies the GT predicate on the ID field.
+func IDGT(id int) predicate.Car {
+	return predicate.Car(sql.FieldGT(FieldID, id))
+}
+
+// IDGTE applies the GTE predicate on the ID field.
+func IDGTE(id int) predicate.Car {
+	return predicate.Car(sql.FieldGTE(FieldID, id))
+}
+
+// IDLT applies the LT predicate on the ID field.
+func IDLT(id int) predicate.Car {
+	return predicate.Car(sql.FieldLT(FieldID, id))
+}
+
+// IDLTE applies the LTE predicate on the ID field.
+func IDLTE(id int) predicate.Car {
+	return predicate.Car(sql.FieldLTE(FieldID, id))
+}
+
+// HasOwner applies the HasEdge predicate on the "owner" edge.
+func HasOwner() predicate.Car {
+	return predicate.Car(func(s *sql.Selector) {
+		step := sqlgraph.NewStep(
+			sqlgraph.From(Table, FieldID),
+			sqlgraph.Edge(sqlgraph.O2O, true, OwnerTable, OwnerColumn),
+		)
+		sqlgraph.HasNeighbors(s, step)
+	})
+}
+
+// HasOwnerWith applies the HasEdge predicate on the "owner" edge with a given conditions (other predicates).
+func HasOwnerWith(preds ...predicate.User) predicate.Car {
+	return predicate.Car(func(s *sql.Selector) {
+		step := newOwnerStep()
+		sqlgraph.HasNeighborsWith(s, step, func(s *sql.Selector) {
+			for _, p := range preds {
+				p(s)
+			}
+		})
+	})
+}
+
+// And groups predicates with the AND operator between them.
+func And(predicates ...predicate.Car) predicate.Car {
+	return predicate.Car(sql.AndPredicates(predicates...))
+}
+
+// Or groups predicates with the OR operator between them.
+func Or(predicates ...predicate.Car) predicate.Car {
+	return predicate.Car(sql.OrPredicates(predicates...))
+}
+
+// Not applies the not operator on the given predicate.
+func Not(p predicate.Car) predicate.Car {
+	return predicate.Car(sql.NotPredicates(p))
+}

entc/integration/migrate/entv1/car_create.go

@@ -0,0 +1,210 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package entv1
+
+import (
+	"context"
+	"fmt"
+
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/entc/integration/migrate/entv1/car"
+	"entgo.io/ent/entc/integration/migrate/entv1/user"
+	"entgo.io/ent/schema/field"
+)
+
+// CarCreate is the builder for creating a Car entity.
+type CarCreate struct {
+	config
+	mutation *CarMutation
+	hooks    []Hook
+}
+
+// SetOwnerID sets the "owner" edge to the User entity by ID.
+func (_c *CarCreate) SetOwnerID(id int) *CarCreate {
+	_c.mutation.SetOwnerID(id)
+	return _c
+}
+
+// SetNillableOwnerID sets the "owner" edge to the User entity by ID if the given value is not nil.
+func (_c *CarCreate) SetNillableOwnerID(id *int) *CarCreate {
+	if id != nil {
+		_c = _c.SetOwnerID(*id)
+	}
+	return _c
+}
+
+// SetOwner sets the "owner" edge to the User entity.
+func (_c *CarCreate) SetOwner(v *User) *CarCreate {
+	return _c.SetOwnerID(v.ID)
+}
+
+// Mutation returns the CarMutation object of the builder.
+func (_c *CarCreate) Mutation() *CarMutation {
+	return _c.mutation
+}
+
+// Save creates the Car in the database.
+func (_c *CarCreate) Save(ctx context.Context) (*Car, error) {
+	return withHooks(ctx, _c.sqlSave, _c.mutation, _c.hooks)
+}
+
+// SaveX calls Save and panics if Save returns an error.
+func (_c *CarCreate) SaveX(ctx context.Context) *Car {
+	v, err := _c.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (_c *CarCreate) Exec(ctx context.Context) error {
+	_, err := _c.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_c *CarCreate) ExecX(ctx context.Context) {
+	if err := _c.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// check runs all checks and user-defined validators on the builder.
+func (_c *CarCreate) check() error {
+	return nil
+}
+
+func (_c *CarCreate) sqlSave(ctx context.Context) (*Car, error) {
+	if err := _c.check(); err != nil {
+		return nil, err
+	}
+	_node, _spec := _c.createSpec()
+	if err := sqlgraph.CreateNode(ctx, _c.driver, _spec); err != nil {
+		if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	id := _spec.ID.Value.(int64)
+	_node.ID = int(id)
+	_c.mutation.id = &_node.ID
+	_c.mutation.done = true
+	return _node, nil
+}
+
+func (_c *CarCreate) createSpec() (*Car, *sqlgraph.CreateSpec) {
+	var (
+		_node = &Car{config: _c.config}
+		_spec = sqlgraph.NewCreateSpec(car.Table, sqlgraph.NewFieldSpec(car.FieldID, field.TypeInt))
+	)
+	if nodes := _c.mutation.OwnerIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.O2O,
+			Inverse: true,
+			Table:   car.OwnerTable,
+			Columns: []string{car.OwnerColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_node.user_car = &nodes[0]
+		_spec.Edges = append(_spec.Edges, edge)
+	}
+	return _node, _spec
+}
+
+// CarCreateBulk is the builder for creating many Car entities in bulk.
+type CarCreateBulk struct {
+	config
+	err      error
+	builders []*CarCreate
+}
+
+// Save creates the Car entities in the database.
+func (_c *CarCreateBulk) Save(ctx context.Context) ([]*Car, error) {
+	if _c.err != nil {
+		return nil, _c.err
+	}
+	specs := make([]*sqlgraph.CreateSpec, len(_c.builders))
+	nodes := make([]*Car, len(_c.builders))
+	mutators := make([]Mutator, len(_c.builders))
+	for i := range _c.builders {
+		func(i int, root context.Context) {
+			builder := _c.builders[i]
+			var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
+				mutation, ok := m.(*CarMutation)
+				if !ok {
+					return nil, fmt.Errorf("unexpected mutation type %T", m)
+				}
+				if err := builder.check(); err != nil {
+					return nil, err
+				}
+				builder.mutation = mutation
+				var err error
+				nodes[i], specs[i] = builder.createSpec()
+				if i < len(mutators)-1 {
+					_, err = mutators[i+1].Mutate(root, _c.builders[i+1].mutation)
+				} else {
+					spec := &sqlgraph.BatchCreateSpec{Nodes: specs}
+					// Invoke the actual operation on the latest mutation in the chain.
+					if err = sqlgraph.BatchCreate(ctx, _c.driver, spec); err != nil {
+						if sqlgraph.IsConstraintError(err) {
+							err = &ConstraintError{msg: err.Error(), wrap: err}
+						}
+					}
+				}
+				if err != nil {
+					return nil, err
+				}
+				mutation.id = &nodes[i].ID
+				if specs[i].ID.Value != nil {
+					id := specs[i].ID.Value.(int64)
+					nodes[i].ID = int(id)
+				}
+				mutation.done = true
+				return nodes[i], nil
+			})
+			for i := len(builder.hooks) - 1; i >= 0; i-- {
+				mut = builder.hooks[i](mut)
+			}
+			mutators[i] = mut
+		}(i, ctx)
+	}
+	if len(mutators) > 0 {
+		if _, err := mutators[0].Mutate(ctx, _c.builders[0].mutation); err != nil {
+			return nil, err
+		}
+	}
+	return nodes, nil
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (_c *CarCreateBulk) SaveX(ctx context.Context) []*Car {
+	v, err := _c.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (_c *CarCreateBulk) Exec(ctx context.Context) error {
+	_, err := _c.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_c *CarCreateBulk) ExecX(ctx context.Context) {
+	if err := _c.Exec(ctx); err != nil {
+		panic(err)
+	}
+}

entc/integration/migrate/entv1/car_delete.go

@@ -0,0 +1,92 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package entv1
+
+import (
+	"context"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/entc/integration/migrate/entv1/car"
+	"entgo.io/ent/entc/integration/migrate/entv1/predicate"
+	"entgo.io/ent/schema/field"
+)
+
+// CarDelete is the builder for deleting a Car entity.
+type CarDelete struct {
+	config
+	hooks    []Hook
+	mutation *CarMutation
+}
+
+// Where appends a list predicates to the CarDelete builder.
+func (_d *CarDelete) Where(ps ...predicate.Car) *CarDelete {
+	_d.mutation.Where(ps...)
+	return _d
+}
+
+// Exec executes the deletion query and returns how many vertices were deleted.
+func (_d *CarDelete) Exec(ctx context.Context) (int, error) {
+	return withHooks(ctx, _d.sqlExec, _d.mutation, _d.hooks)
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_d *CarDelete) ExecX(ctx context.Context) int {
+	n, err := _d.Exec(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return n
+}
+
+func (_d *CarDelete) sqlExec(ctx context.Context) (int, error) {
+	_spec := sqlgraph.NewDeleteSpec(car.Table, sqlgraph.NewFieldSpec(car.FieldID, field.TypeInt))
+	if ps := _d.mutation.Predicates(); len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	affected, err := sqlgraph.DeleteNodes(ctx, _d.driver, _spec)
+	if err != nil && sqlgraph.IsConstraintError(err) {
+		err = &ConstraintError{msg: err.Error(), wrap: err}
+	}
+	_d.mutation.done = true
+	return affected, err
+}
+
+// CarDeleteOne is the builder for deleting a single Car entity.
+type CarDeleteOne struct {
+	_d *CarDelete
+}
+
+// Where appends a list predicates to the CarDelete builder.
+func (_d *CarDeleteOne) Where(ps ...predicate.Car) *CarDeleteOne {
+	_d._d.mutation.Where(ps...)
+	return _d
+}
+
+// Exec executes the deletion query.
+func (_d *CarDeleteOne) Exec(ctx context.Context) error {
+	n, err := _d._d.Exec(ctx)
+	switch {
+	case err != nil:
+		return err
+	case n == 0:
+		return &NotFoundError{car.Label}
+	default:
+		return nil
+	}
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_d *CarDeleteOne) ExecX(ctx context.Context) {
+	if err := _d.Exec(ctx); err != nil {
+		panic(err)
+	}
+}

entc/integration/migrate/entv1/car_query.go

@@ -0,0 +1,596 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package entv1
+
+import (
+	"context"
+	"fmt"
+	"math"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/entc/integration/migrate/entv1/car"
+	"entgo.io/ent/entc/integration/migrate/entv1/predicate"
+	"entgo.io/ent/entc/integration/migrate/entv1/user"
+	"entgo.io/ent/schema/field"
+)
+
+// CarQuery is the builder for querying Car entities.
+type CarQuery struct {
+	config
+	ctx        *QueryContext
+	order      []car.OrderOption
+	inters     []Interceptor
+	predicates []predicate.Car
+	withOwner  *UserQuery
+	withFKs    bool
+	// intermediate query (i.e. traversal path).
+	sql  *sql.Selector
+	path func(context.Context) (*sql.Selector, error)
+}
+
+// Where adds a new predicate for the CarQuery builder.
+func (_q *CarQuery) Where(ps ...predicate.Car) *CarQuery {
+	_q.predicates = append(_q.predicates, ps...)
+	return _q
+}
+
+// Limit the number of records to be returned by this query.
+func (_q *CarQuery) Limit(limit int) *CarQuery {
+	_q.ctx.Limit = &limit
+	return _q
+}
+
+// Offset to start from.
+func (_q *CarQuery) Offset(offset int) *CarQuery {
+	_q.ctx.Offset = &offset
+	return _q
+}
+
+// Unique configures the query builder to filter duplicate records on query.
+// By default, unique is set to true, and can be disabled using this method.
+func (_q *CarQuery) Unique(unique bool) *CarQuery {
+	_q.ctx.Unique = &unique
+	return _q
+}
+
+// Order specifies how the records should be ordered.
+func (_q *CarQuery) Order(o ...car.OrderOption) *CarQuery {
+	_q.order = append(_q.order, o...)
+	return _q
+}
+
+// QueryOwner chains the current query on the "owner" edge.
+func (_q *CarQuery) QueryOwner() *UserQuery {
+	query := (&UserClient{config: _q.config}).Query()
+	query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
+		if err := _q.prepareQuery(ctx); err != nil {
+			return nil, err
+		}
+		selector := _q.sqlQuery(ctx)
+		if err := selector.Err(); err != nil {
+			return nil, err
+		}
+		step := sqlgraph.NewStep(
+			sqlgraph.From(car.Table, car.FieldID, selector),
+			sqlgraph.To(user.Table, user.FieldID),
+			sqlgraph.Edge(sqlgraph.O2O, true, car.OwnerTable, car.OwnerColumn),
+		)
+		fromU = sqlgraph.SetNeighbors(_q.driver.Dialect(), step)
+		return fromU, nil
+	}
+	return query
+}
+
+// First returns the first Car entity from the query.
+// Returns a *NotFoundError when no Car was found.
+func (_q *CarQuery) First(ctx context.Context) (*Car, error) {
+	nodes, err := _q.Limit(1).All(setContextOp(ctx, _q.ctx, ent.OpQueryFirst))
+	if err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nil, &NotFoundError{car.Label}
+	}
+	return nodes[0], nil
+}
+
+// FirstX is like First, but panics if an error occurs.
+func (_q *CarQuery) FirstX(ctx context.Context) *Car {
+	node, err := _q.First(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return node
+}
+
+// FirstID returns the first Car ID from the query.
+// Returns a *NotFoundError when no Car ID was found.
+func (_q *CarQuery) FirstID(ctx context.Context) (id int, err error) {
+	var ids []int
+	if ids, err = _q.Limit(1).IDs(setContextOp(ctx, _q.ctx, ent.OpQueryFirstID)); err != nil {
+		return
+	}
+	if len(ids) == 0 {
+		err = &NotFoundError{car.Label}
+		return
+	}
+	return ids[0], nil
+}
+
+// FirstIDX is like FirstID, but panics if an error occurs.
+func (_q *CarQuery) FirstIDX(ctx context.Context) int {
+	id, err := _q.FirstID(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return id
+}
+
+// Only returns a single Car entity found by the query, ensuring it only returns one.
+// Returns a *NotSingularError when more than one Car entity is found.
+// Returns a *NotFoundError when no Car entities are found.
+func (_q *CarQuery) Only(ctx context.Context) (*Car, error) {
+	nodes, err := _q.Limit(2).All(setContextOp(ctx, _q.ctx, ent.OpQueryOnly))
+	if err != nil {
+		return nil, err
+	}
+	switch len(nodes) {
+	case 1:
+		return nodes[0], nil
+	case 0:
+		return nil, &NotFoundError{car.Label}
+	default:
+		return nil, &NotSingularError{car.Label}
+	}
+}
+
+// OnlyX is like Only, but panics if an error occurs.
+func (_q *CarQuery) OnlyX(ctx context.Context) *Car {
+	node, err := _q.Only(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// OnlyID is like Only, but returns the only Car ID in the query.
+// Returns a *NotSingularError when more than one Car ID is found.
+// Returns a *NotFoundError when no entities are found.
+func (_q *CarQuery) OnlyID(ctx context.Context) (id int, err error) {
+	var ids []int
+	if ids, err = _q.Limit(2).IDs(setContextOp(ctx, _q.ctx, ent.OpQueryOnlyID)); err != nil {
+		return
+	}
+	switch len(ids) {
+	case 1:
+		id = ids[0]
+	case 0:
+		err = &NotFoundError{car.Label}
+	default:
+		err = &NotSingularError{car.Label}
+	}
+	return
+}
+
+// OnlyIDX is like OnlyID, but panics if an error occurs.
+func (_q *CarQuery) OnlyIDX(ctx context.Context) int {
+	id, err := _q.OnlyID(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return id
+}
+
+// All executes the query and returns a list of Cars.
+func (_q *CarQuery) All(ctx context.Context) ([]*Car, error) {
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryAll)
+	if err := _q.prepareQuery(ctx); err != nil {
+		return nil, err
+	}
+	qr := querierAll[[]*Car, *CarQuery]()
+	return withInterceptors[[]*Car](ctx, _q, qr, _q.inters)
+}
+
+// AllX is like All, but panics if an error occurs.
+func (_q *CarQuery) AllX(ctx context.Context) []*Car {
+	nodes, err := _q.All(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return nodes
+}
+
+// IDs executes the query and returns a list of Car IDs.
+func (_q *CarQuery) IDs(ctx context.Context) (ids []int, err error) {
+	if _q.ctx.Unique == nil && _q.path != nil {
+		_q.Unique(true)
+	}
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryIDs)
+	if err = _q.Select(car.FieldID).Scan(ctx, &ids); err != nil {
+		return nil, err
+	}
+	return ids, nil
+}
+
+// IDsX is like IDs, but panics if an error occurs.
+func (_q *CarQuery) IDsX(ctx context.Context) []int {
+	ids, err := _q.IDs(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return ids
+}
+
+// Count returns the count of the given query.
+func (_q *CarQuery) Count(ctx context.Context) (int, error) {
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryCount)
+	if err := _q.prepareQuery(ctx); err != nil {
+		return 0, err
+	}
+	return withInterceptors[int](ctx, _q, querierCount[*CarQuery](), _q.inters)
+}
+
+// CountX is like Count, but panics if an error occurs.
+func (_q *CarQuery) CountX(ctx context.Context) int {
+	count, err := _q.Count(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return count
+}
+
+// Exist returns true if the query has elements in the graph.
+func (_q *CarQuery) Exist(ctx context.Context) (bool, error) {
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryExist)
+	switch _, err := _q.FirstID(ctx); {
+	case IsNotFound(err):
+		return false, nil
+	case err != nil:
+		return false, fmt.Errorf("entv1: check existence: %w", err)
+	default:
+		return true, nil
+	}
+}
+
+// ExistX is like Exist, but panics if an error occurs.
+func (_q *CarQuery) ExistX(ctx context.Context) bool {
+	exist, err := _q.Exist(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return exist
+}
+
+// Clone returns a duplicate of the CarQuery builder, including all associated steps. It can be
+// used to prepare common query builders and use them differently after the clone is made.
+func (_q *CarQuery) Clone() *CarQuery {
+	if _q == nil {
+		return nil
+	}
+	return &CarQuery{
+		config:     _q.config,
+		ctx:        _q.ctx.Clone(),
+		order:      append([]car.OrderOption{}, _q.order...),
+		inters:     append([]Interceptor{}, _q.inters...),
+		predicates: append([]predicate.Car{}, _q.predicates...),
+		withOwner:  _q.withOwner.Clone(),
+		// clone intermediate query.
+		sql:  _q.sql.Clone(),
+		path: _q.path,
+	}
+}
+
+// WithOwner tells the query-builder to eager-load the nodes that are connected to
+// the "owner" edge. The optional arguments are used to configure the query builder of the edge.
+func (_q *CarQuery) WithOwner(opts ...func(*UserQuery)) *CarQuery {
+	query := (&UserClient{config: _q.config}).Query()
+	for _, opt := range opts {
+		opt(query)
+	}
+	_q.withOwner = query
+	return _q
+}
+
+// GroupBy is used to group vertices by one or more fields/columns.
+// It is often used with aggregate functions, like: count, max, mean, min, sum.
+func (_q *CarQuery) GroupBy(field string, fields ...string) *CarGroupBy {
+	_q.ctx.Fields = append([]string{field}, fields...)
+	grbuild := &CarGroupBy{build: _q}
+	grbuild.flds = &_q.ctx.Fields
+	grbuild.label = car.Label
+	grbuild.scan = grbuild.Scan
+	return grbuild
+}
+
+// Select allows the selection one or more fields/columns for the given query,
+// instead of selecting all fields in the entity.
+func (_q *CarQuery) Select(fields ...string) *CarSelect {
+	_q.ctx.Fields = append(_q.ctx.Fields, fields...)
+	sbuild := &CarSelect{CarQuery: _q}
+	sbuild.label = car.Label
+	sbuild.flds, sbuild.scan = &_q.ctx.Fields, sbuild.Scan
+	return sbuild
+}
+
+// Aggregate returns a CarSelect configured with the given aggregations.
+func (_q *CarQuery) Aggregate(fns ...AggregateFunc) *CarSelect {
+	return _q.Select().Aggregate(fns...)
+}
+
+func (_q *CarQuery) prepareQuery(ctx context.Context) error {
+	for _, inter := range _q.inters {
+		if inter == nil {
+			return fmt.Errorf("entv1: uninitialized interceptor (forgotten import entv1/runtime?)")
+		}
+		if trv, ok := inter.(Traverser); ok {
+			if err := trv.Traverse(ctx, _q); err != nil {
+				return err
+			}
+		}
+	}
+	for _, f := range _q.ctx.Fields {
+		if !car.ValidColumn(f) {
+			return &ValidationError{Name: f, err: fmt.Errorf("entv1: invalid field %q for query", f)}
+		}
+	}
+	if _q.path != nil {
+		prev, err := _q.path(ctx)
+		if err != nil {
+			return err
+		}
+		_q.sql = prev
+	}
+	return nil
+}
+
+func (_q *CarQuery) sqlAll(ctx context.Context, hooks ...queryHook) ([]*Car, error) {
+	var (
+		nodes       = []*Car{}
+		withFKs     = _q.withFKs
+		_spec       = _q.querySpec()
+		loadedTypes = [1]bool{
+			_q.withOwner != nil,
+		}
+	)
+	if _q.withOwner != nil {
+		withFKs = true
+	}
+	if withFKs {
+		_spec.Node.Columns = append(_spec.Node.Columns, car.ForeignKeys...)
+	}
+	_spec.ScanValues = func(columns []string) ([]any, error) {
+		return (*Car).scanValues(nil, columns)
+	}
+	_spec.Assign = func(columns []string, values []any) error {
+		node := &Car{config: _q.config}
+		nodes = append(nodes, node)
+		node.Edges.loadedTypes = loadedTypes
+		return node.assignValues(columns, values)
+	}
+	for i := range hooks {
+		hooks[i](ctx, _spec)
+	}
+	if err := sqlgraph.QueryNodes(ctx, _q.driver, _spec); err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nodes, nil
+	}
+	if query := _q.withOwner; query != nil {
+		if err := _q.loadOwner(ctx, query, nodes, nil,
+			func(n *Car, e *User) { n.Edges.Owner = e }); err != nil {
+			return nil, err
+		}
+	}
+	return nodes, nil
+}
+
+func (_q *CarQuery) loadOwner(ctx context.Context, query *UserQuery, nodes []*Car, init func(*Car), assign func(*Car, *User)) error {
+	ids := make([]int, 0, len(nodes))
+	nodeids := make(map[int][]*Car)
+	for i := range nodes {
+		if nodes[i].user_car == nil {
+			continue
+		}
+		fk := *nodes[i].user_car
+		if _, ok := nodeids[fk]; !ok {
+			ids = append(ids, fk)
+		}
+		nodeids[fk] = append(nodeids[fk], nodes[i])
+	}
+	if len(ids) == 0 {
+		return nil
+	}
+	query.Where(user.IDIn(ids...))
+	neighbors, err := query.All(ctx)
+	if err != nil {
+		return err
+	}
+	for _, n := range neighbors {
+		nodes, ok := nodeids[n.ID]
+		if !ok {
+			return fmt.Errorf(`unexpected foreign-key "user_car" returned %v`, n.ID)
+		}
+		for i := range nodes {
+			assign(nodes[i], n)
+		}
+	}
+	return nil
+}
+
+func (_q *CarQuery) sqlCount(ctx context.Context) (int, error) {
+	_spec := _q.querySpec()
+	_spec.Node.Columns = _q.ctx.Fields
+	if len(_q.ctx.Fields) > 0 {
+		_spec.Unique = _q.ctx.Unique != nil && *_q.ctx.Unique
+	}
+	return sqlgraph.CountNodes(ctx, _q.driver, _spec)
+}
+
+func (_q *CarQuery) querySpec() *sqlgraph.QuerySpec {
+	_spec := sqlgraph.NewQuerySpec(car.Table, car.Columns, sqlgraph.NewFieldSpec(car.FieldID, field.TypeInt))
+	_spec.From = _q.sql
+	if unique := _q.ctx.Unique; unique != nil {
+		_spec.Unique = *unique
+	} else if _q.path != nil {
+		_spec.Unique = true
+	}
+	if fields := _q.ctx.Fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, car.FieldID)
+		for i := range fields {
+			if fields[i] != car.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, fields[i])
+			}
+		}
+	}
+	if ps := _q.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if limit := _q.ctx.Limit; limit != nil {
+		_spec.Limit = *limit
+	}
+	if offset := _q.ctx.Offset; offset != nil {
+		_spec.Offset = *offset
+	}
+	if ps := _q.order; len(ps) > 0 {
+		_spec.Order = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	return _spec
+}
+
+func (_q *CarQuery) sqlQuery(ctx context.Context) *sql.Selector {
+	builder := sql.Dialect(_q.driver.Dialect())
+	t1 := builder.Table(car.Table)
+	columns := _q.ctx.Fields
+	if len(columns) == 0 {
+		columns = car.Columns
+	}
+	selector := builder.Select(t1.Columns(columns...)...).From(t1)
+	if _q.sql != nil {
+		selector = _q.sql
+		selector.Select(selector.Columns(columns...)...)
+	}
+	if _q.ctx.Unique != nil && *_q.ctx.Unique {
+		selector.Distinct()
+	}
+	for _, p := range _q.predicates {
+		p(selector)
+	}
+	for _, p := range _q.order {
+		p(selector)
+	}
+	if offset := _q.ctx.Offset; offset != nil {
+		// limit is mandatory for offset clause. We start
+		// with default value, and override it below if needed.
+		selector.Offset(*offset).Limit(math.MaxInt32)
+	}
+	if limit := _q.ctx.Limit; limit != nil {
+		selector.Limit(*limit)
+	}
+	return selector
+}
+
+// CarGroupBy is the group-by builder for Car entities.
+type CarGroupBy struct {
+	selector
+	build *CarQuery
+}
+
+// Aggregate adds the given aggregation functions to the group-by query.
+func (_g *CarGroupBy) Aggregate(fns ...AggregateFunc) *CarGroupBy {
+	_g.fns = append(_g.fns, fns...)
+	return _g
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (_g *CarGroupBy) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, _g.build.ctx, ent.OpQueryGroupBy)
+	if err := _g.build.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*CarQuery, *CarGroupBy](ctx, _g.build, _g, _g.build.inters, v)
+}
+
+func (_g *CarGroupBy) sqlScan(ctx context.Context, root *CarQuery, v any) error {
+	selector := root.sqlQuery(ctx).Select()
+	aggregation := make([]string, 0, len(_g.fns))
+	for _, fn := range _g.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	if len(selector.SelectedColumns()) == 0 {
+		columns := make([]string, 0, len(*_g.flds)+len(_g.fns))
+		for _, f := range *_g.flds {
+			columns = append(columns, selector.C(f))
+		}
+		columns = append(columns, aggregation...)
+		selector.Select(columns...)
+	}
+	selector.GroupBy(selector.Columns(*_g.flds...)...)
+	if err := selector.Err(); err != nil {
+		return err
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := _g.build.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}
+
+// CarSelect is the builder for selecting fields of Car entities.
+type CarSelect struct {
+	*CarQuery
+	selector
+}
+
+// Aggregate adds the given aggregation functions to the selector query.
+func (_s *CarSelect) Aggregate(fns ...AggregateFunc) *CarSelect {
+	_s.fns = append(_s.fns, fns...)
+	return _s
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (_s *CarSelect) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, _s.ctx, ent.OpQuerySelect)
+	if err := _s.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*CarQuery, *CarSelect](ctx, _s.CarQuery, _s, _s.inters, v)
+}
+
+func (_s *CarSelect) sqlScan(ctx context.Context, root *CarQuery, v any) error {
+	selector := root.sqlQuery(ctx)
+	aggregation := make([]string, 0, len(_s.fns))
+	for _, fn := range _s.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	switch n := len(*_s.selector.flds); {
+	case n == 0 && len(aggregation) > 0:
+		selector.Select(aggregation...)
+	case n != 0 && len(aggregation) > 0:
+		selector.AppendSelect(aggregation...)
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := _s.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}

entc/integration/migrate/entv1/car_update.go

@@ -0,0 +1,288 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package entv1
+
+import (
+	"context"
+	"errors"
+	"fmt"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/entc/integration/migrate/entv1/car"
+	"entgo.io/ent/entc/integration/migrate/entv1/predicate"
+	"entgo.io/ent/entc/integration/migrate/entv1/user"
+	"entgo.io/ent/schema/field"
+)
+
+// CarUpdate is the builder for updating Car entities.
+type CarUpdate struct {
+	config
+	hooks    []Hook
+	mutation *CarMutation
+}
+
+// Where appends a list predicates to the CarUpdate builder.
+func (_u *CarUpdate) Where(ps ...predicate.Car) *CarUpdate {
+	_u.mutation.Where(ps...)
+	return _u
+}
+
+// SetOwnerID sets the "owner" edge to the User entity by ID.
+func (_u *CarUpdate) SetOwnerID(id int) *CarUpdate {
+	_u.mutation.SetOwnerID(id)
+	return _u
+}
+
+// SetNillableOwnerID sets the "owner" edge to the User entity by ID if the given value is not nil.
+func (_u *CarUpdate) SetNillableOwnerID(id *int) *CarUpdate {
+	if id != nil {
+		_u = _u.SetOwnerID(*id)
+	}
+	return _u
+}
+
+// SetOwner sets the "owner" edge to the User entity.
+func (_u *CarUpdate) SetOwner(v *User) *CarUpdate {
+	return _u.SetOwnerID(v.ID)
+}
+
+// Mutation returns the CarMutation object of the builder.
+func (_u *CarUpdate) Mutation() *CarMutation {
+	return _u.mutation
+}
+
+// ClearOwner clears the "owner" edge to the User entity.
+func (_u *CarUpdate) ClearOwner() *CarUpdate {
+	_u.mutation.ClearOwner()
+	return _u
+}
+
+// Save executes the query and returns the number of nodes affected by the update operation.
+func (_u *CarUpdate) Save(ctx context.Context) (int, error) {
+	return withHooks(ctx, _u.sqlSave, _u.mutation, _u.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (_u *CarUpdate) SaveX(ctx context.Context) int {
+	affected, err := _u.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return affected
+}
+
+// Exec executes the query.
+func (_u *CarUpdate) Exec(ctx context.Context) error {
+	_, err := _u.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_u *CarUpdate) ExecX(ctx context.Context) {
+	if err := _u.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+func (_u *CarUpdate) sqlSave(ctx context.Context) (_node int, err error) {
+	_spec := sqlgraph.NewUpdateSpec(car.Table, car.Columns, sqlgraph.NewFieldSpec(car.FieldID, field.TypeInt))
+	if ps := _u.mutation.Predicates(); len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if _u.mutation.OwnerCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.O2O,
+			Inverse: true,
+			Table:   car.OwnerTable,
+			Columns: []string{car.OwnerColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
+			},
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := _u.mutation.OwnerIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.O2O,
+			Inverse: true,
+			Table:   car.OwnerTable,
+			Columns: []string{car.OwnerColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Add = append(_spec.Edges.Add, edge)
+	}
+	if _node, err = sqlgraph.UpdateNodes(ctx, _u.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{car.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return 0, err
+	}
+	_u.mutation.done = true
+	return _node, nil
+}
+
+// CarUpdateOne is the builder for updating a single Car entity.
+type CarUpdateOne struct {
+	config
+	fields   []string
+	hooks    []Hook
+	mutation *CarMutation
+}
+
+// SetOwnerID sets the "owner" edge to the User entity by ID.
+func (_u *CarUpdateOne) SetOwnerID(id int) *CarUpdateOne {
+	_u.mutation.SetOwnerID(id)
+	return _u
+}
+
+// SetNillableOwnerID sets the "owner" edge to the User entity by ID if the given value is not nil.
+func (_u *CarUpdateOne) SetNillableOwnerID(id *int) *CarUpdateOne {
+	if id != nil {
+		_u = _u.SetOwnerID(*id)
+	}
+	return _u
+}
+
+// SetOwner sets the "owner" edge to the User entity.
+func (_u *CarUpdateOne) SetOwner(v *User) *CarUpdateOne {
+	return _u.SetOwnerID(v.ID)
+}
+
+// Mutation returns the CarMutation object of the builder.
+func (_u *CarUpdateOne) Mutation() *CarMutation {
+	return _u.mutation
+}
+
+// ClearOwner clears the "owner" edge to the User entity.
+func (_u *CarUpdateOne) ClearOwner() *CarUpdateOne {
+	_u.mutation.ClearOwner()
+	return _u
+}
+
+// Where appends a list predicates to the CarUpdate builder.
+func (_u *CarUpdateOne) Where(ps ...predicate.Car) *CarUpdateOne {
+	_u.mutation.Where(ps...)
+	return _u
+}
+
+// Select allows selecting one or more fields (columns) of the returned entity.
+// The default is selecting all fields defined in the entity schema.
+func (_u *CarUpdateOne) Select(field string, fields ...string) *CarUpdateOne {
+	_u.fields = append([]string{field}, fields...)
+	return _u
+}
+
+// Save executes the query and returns the updated Car entity.
+func (_u *CarUpdateOne) Save(ctx context.Context) (*Car, error) {
+	return withHooks(ctx, _u.sqlSave, _u.mutation, _u.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (_u *CarUpdateOne) SaveX(ctx context.Context) *Car {
+	node, err := _u.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// Exec executes the query on the entity.
+func (_u *CarUpdateOne) Exec(ctx context.Context) error {
+	_, err := _u.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_u *CarUpdateOne) ExecX(ctx context.Context) {
+	if err := _u.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+func (_u *CarUpdateOne) sqlSave(ctx context.Context) (_node *Car, err error) {
+	_spec := sqlgraph.NewUpdateSpec(car.Table, car.Columns, sqlgraph.NewFieldSpec(car.FieldID, field.TypeInt))
+	id, ok := _u.mutation.ID()
+	if !ok {
+		return nil, &ValidationError{Name: "id", err: errors.New(`entv1: missing "Car.id" for update`)}
+	}
+	_spec.Node.ID.Value = id
+	if fields := _u.fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, car.FieldID)
+		for _, f := range fields {
+			if !car.ValidColumn(f) {
+				return nil, &ValidationError{Name: f, err: fmt.Errorf("entv1: invalid field %q for query", f)}
+			}
+			if f != car.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, f)
+			}
+		}
+	}
+	if ps := _u.mutation.Predicates(); len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if _u.mutation.OwnerCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.O2O,
+			Inverse: true,
+			Table:   car.OwnerTable,
+			Columns: []string{car.OwnerColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
+			},
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := _u.mutation.OwnerIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.O2O,
+			Inverse: true,
+			Table:   car.OwnerTable,
+			Columns: []string{car.OwnerColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Add = append(_spec.Edges.Add, edge)
+	}
+	_node = &Car{config: _u.config}
+	_spec.Assign = _node.assignValues
+	_spec.ScanValues = _node.scanValues
+	if err = sqlgraph.UpdateNode(ctx, _u.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{car.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	_u.mutation.done = true
+	return _node, nil
+}

entc/integration/migrate/entv1/client.go

@@ -0,0 +1,854 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package entv1
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"log"
+	"reflect"
+
+	"entgo.io/ent"
+	"entgo.io/ent/entc/integration/migrate/entv1/migrate"
+
+	"entgo.io/ent/dialect"
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/entc/integration/migrate/entv1/car"
+	"entgo.io/ent/entc/integration/migrate/entv1/conversion"
+	"entgo.io/ent/entc/integration/migrate/entv1/customtype"
+	"entgo.io/ent/entc/integration/migrate/entv1/user"
+)
+
+// Client is the client that holds all ent builders.
+type Client struct {
+	config
+	// Schema is the client for creating, migrating and dropping schema.
+	Schema *migrate.Schema
+	// Car is the client for interacting with the Car builders.
+	Car *CarClient
+	// Conversion is the client for interacting with the Conversion builders.
+	Conversion *ConversionClient
+	// CustomType is the client for interacting with the CustomType builders.
+	CustomType *CustomTypeClient
+	// User is the client for interacting with the User builders.
+	User *UserClient
+}
+
+// NewClient creates a new client configured with the given options.
+func NewClient(opts ...Option) *Client {
+	client := &Client{config: newConfig(opts...)}
+	client.init()
+	return client
+}
+
+func (c *Client) init() {
+	c.Schema = migrate.NewSchema(c.driver)
+	c.Car = NewCarClient(c.config)
+	c.Conversion = NewConversionClient(c.config)
+	c.CustomType = NewCustomTypeClient(c.config)
+	c.User = NewUserClient(c.config)
+}
+
+type (
+	// config is the configuration for the client and its builder.
+	config struct {
+		// driver used for executing database requests.
+		driver dialect.Driver
+		// debug enable a debug logging.
+		debug bool
+		// log used for logging on debug mode.
+		log func(...any)
+		// hooks to execute on mutations.
+		hooks *hooks
+		// interceptors to execute on queries.
+		inters *inters
+	}
+	// Option function to configure the client.
+	Option func(*config)
+)
+
+// newConfig creates a new config for the client.
+func newConfig(opts ...Option) config {
+	cfg := config{log: log.Println, hooks: &hooks{}, inters: &inters{}}
+	cfg.options(opts...)
+	return cfg
+}
+
+// options applies the options on the config object.
+func (c *config) options(opts ...Option) {
+	for _, opt := range opts {
+		opt(c)
+	}
+	if c.debug {
+		c.driver = dialect.Debug(c.driver, c.log)
+	}
+}
+
+// Debug enables debug logging on the ent.Driver.
+func Debug() Option {
+	return func(c *config) {
+		c.debug = true
+	}
+}
+
+// Log sets the logging function for debug mode.
+func Log(fn func(...any)) Option {
+	return func(c *config) {
+		c.log = fn
+	}
+}
+
+// Driver configures the client driver.
+func Driver(driver dialect.Driver) Option {
+	return func(c *config) {
+		c.driver = driver
+	}
+}
+
+// Open opens a database/sql.DB specified by the driver name and
+// the data source name, and returns a new client attached to it.
+// Optional parameters can be added for configuring the client.
+func Open(driverName, dataSourceName string, options ...Option) (*Client, error) {
+	switch driverName {
+	case dialect.MySQL, dialect.Postgres, dialect.SQLite:
+		drv, err := sql.Open(driverName, dataSourceName)
+		if err != nil {
+			return nil, err
+		}
+		return NewClient(append(options, Driver(drv))...), nil
+	default:
+		return nil, fmt.Errorf("unsupported driver: %q", driverName)
+	}
+}
+
+// ErrTxStarted is returned when trying to start a new transaction from a transactional client.
+var ErrTxStarted = errors.New("entv1: cannot start a transaction within a transaction")
+
+// Tx returns a new transactional client. The provided context
+// is used until the transaction is committed or rolled back.
+func (c *Client) Tx(ctx context.Context) (*Tx, error) {
+	if _, ok := c.driver.(*txDriver); ok {
+		return nil, ErrTxStarted
+	}
+	tx, err := newTx(ctx, c.driver)
+	if err != nil {
+		return nil, fmt.Errorf("entv1: starting a transaction: %w", err)
+	}
+	cfg := c.config
+	cfg.driver = tx
+	return &Tx{
+		ctx:        ctx,
+		config:     cfg,
+		Car:        NewCarClient(cfg),
+		Conversion: NewConversionClient(cfg),
+		CustomType: NewCustomTypeClient(cfg),
+		User:       NewUserClient(cfg),
+	}, nil
+}
+
+// BeginTx returns a transactional client with specified options.
+func (c *Client) BeginTx(ctx context.Context, opts *sql.TxOptions) (*Tx, error) {
+	if _, ok := c.driver.(*txDriver); ok {
+		return nil, errors.New("ent: cannot start a transaction within a transaction")
+	}
+	tx, err := c.driver.(interface {
+		BeginTx(context.Context, *sql.TxOptions) (dialect.Tx, error)
+	}).BeginTx(ctx, opts)
+	if err != nil {
+		return nil, fmt.Errorf("ent: starting a transaction: %w", err)
+	}
+	cfg := c.config
+	cfg.driver = &txDriver{tx: tx, drv: c.driver}
+	return &Tx{
+		ctx:        ctx,
+		config:     cfg,
+		Car:        NewCarClient(cfg),
+		Conversion: NewConversionClient(cfg),
+		CustomType: NewCustomTypeClient(cfg),
+		User:       NewUserClient(cfg),
+	}, nil
+}
+
+// Debug returns a new debug-client. It's used to get verbose logging on specific operations.
+//
+//	client.Debug().
+//		Car.
+//		Query().
+//		Count(ctx)
+func (c *Client) Debug() *Client {
+	if c.debug {
+		return c
+	}
+	cfg := c.config
+	cfg.driver = dialect.Debug(c.driver, c.log)
+	client := &Client{config: cfg}
+	client.init()
+	return client
+}
+
+// Close closes the database connection and prevents new queries from starting.
+func (c *Client) Close() error {
+	return c.driver.Close()
+}
+
+// Use adds the mutation hooks to all the entity clients.
+// In order to add hooks to a specific client, call: `client.Node.Use(...)`.
+func (c *Client) Use(hooks ...Hook) {
+	c.Car.Use(hooks...)
+	c.Conversion.Use(hooks...)
+	c.CustomType.Use(hooks...)
+	c.User.Use(hooks...)
+}
+
+// Intercept adds the query interceptors to all the entity clients.
+// In order to add interceptors to a specific client, call: `client.Node.Intercept(...)`.
+func (c *Client) Intercept(interceptors ...Interceptor) {
+	c.Car.Intercept(interceptors...)
+	c.Conversion.Intercept(interceptors...)
+	c.CustomType.Intercept(interceptors...)
+	c.User.Intercept(interceptors...)
+}
+
+// Mutate implements the ent.Mutator interface.
+func (c *Client) Mutate(ctx context.Context, m Mutation) (Value, error) {
+	switch m := m.(type) {
+	case *CarMutation:
+		return c.Car.mutate(ctx, m)
+	case *ConversionMutation:
+		return c.Conversion.mutate(ctx, m)
+	case *CustomTypeMutation:
+		return c.CustomType.mutate(ctx, m)
+	case *UserMutation:
+		return c.User.mutate(ctx, m)
+	default:
+		return nil, fmt.Errorf("entv1: unknown mutation type %T", m)
+	}
+}
+
+// CarClient is a client for the Car schema.
+type CarClient struct {
+	config
+}
+
+// NewCarClient returns a client for the Car from the given config.
+func NewCarClient(c config) *CarClient {
+	return &CarClient{config: c}
+}
+
+// Use adds a list of mutation hooks to the hooks stack.
+// A call to `Use(f, g, h)` equals to `car.Hooks(f(g(h())))`.
+func (c *CarClient) Use(hooks ...Hook) {
+	c.hooks.Car = append(c.hooks.Car, hooks...)
+}
+
+// Intercept adds a list of query interceptors to the interceptors stack.
+// A call to `Intercept(f, g, h)` equals to `car.Intercept(f(g(h())))`.
+func (c *CarClient) Intercept(interceptors ...Interceptor) {
+	c.inters.Car = append(c.inters.Car, interceptors...)
+}
+
+// Create returns a builder for creating a Car entity.
+func (c *CarClient) Create() *CarCreate {
+	mutation := newCarMutation(c.config, OpCreate)
+	return &CarCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// CreateBulk returns a builder for creating a bulk of Car entities.
+func (c *CarClient) CreateBulk(builders ...*CarCreate) *CarCreateBulk {
+	return &CarCreateBulk{config: c.config, builders: builders}
+}
+
+// MapCreateBulk creates a bulk creation builder from the given slice. For each item in the slice, the function creates
+// a builder and applies setFunc on it.
+func (c *CarClient) MapCreateBulk(slice any, setFunc func(*CarCreate, int)) *CarCreateBulk {
+	rv := reflect.ValueOf(slice)
+	if rv.Kind() != reflect.Slice {
+		return &CarCreateBulk{err: fmt.Errorf("calling to CarClient.MapCreateBulk with wrong type %T, need slice", slice)}
+	}
+	builders := make([]*CarCreate, rv.Len())
+	for i := 0; i < rv.Len(); i++ {
+		builders[i] = c.Create()
+		setFunc(builders[i], i)
+	}
+	return &CarCreateBulk{config: c.config, builders: builders}
+}
+
+// Update returns an update builder for Car.
+func (c *CarClient) Update() *CarUpdate {
+	mutation := newCarMutation(c.config, OpUpdate)
+	return &CarUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOne returns an update builder for the given entity.
+func (c *CarClient) UpdateOne(_m *Car) *CarUpdateOne {
+	mutation := newCarMutation(c.config, OpUpdateOne, withCar(_m))
+	return &CarUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOneID returns an update builder for the given id.
+func (c *CarClient) UpdateOneID(id int) *CarUpdateOne {
+	mutation := newCarMutation(c.config, OpUpdateOne, withCarID(id))
+	return &CarUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// Delete returns a delete builder for Car.
+func (c *CarClient) Delete() *CarDelete {
+	mutation := newCarMutation(c.config, OpDelete)
+	return &CarDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// DeleteOne returns a builder for deleting the given entity.
+func (c *CarClient) DeleteOne(_m *Car) *CarDeleteOne {
+	return c.DeleteOneID(_m.ID)
+}
+
+// DeleteOneID returns a builder for deleting the given entity by its id.
+func (c *CarClient) DeleteOneID(id int) *CarDeleteOne {
+	builder := c.Delete().Where(car.ID(id))
+	builder.mutation.id = &id
+	builder.mutation.SetOp(OpDeleteOne)
+	return &CarDeleteOne{builder}
+}
+
+// Query returns a query builder for Car.
+func (c *CarClient) Query() *CarQuery {
+	return &CarQuery{
+		config: c.config,
+		ctx:    &QueryContext{Type: TypeCar},
+		inters: c.Interceptors(),
+	}
+}
+
+// Get returns a Car entity by its id.
+func (c *CarClient) Get(ctx context.Context, id int) (*Car, error) {
+	return c.Query().Where(car.ID(id)).Only(ctx)
+}
+
+// GetX is like Get, but panics if an error occurs.
+func (c *CarClient) GetX(ctx context.Context, id int) *Car {
+	obj, err := c.Get(ctx, id)
+	if err != nil {
+		panic(err)
+	}
+	return obj
+}
+
+// QueryOwner queries the owner edge of a Car.
+func (c *CarClient) QueryOwner(_m *Car) *UserQuery {
+	query := (&UserClient{config: c.config}).Query()
+	query.path = func(context.Context) (fromV *sql.Selector, _ error) {
+		id := _m.ID
+		step := sqlgraph.NewStep(
+			sqlgraph.From(car.Table, car.FieldID, id),
+			sqlgraph.To(user.Table, user.FieldID),
+			sqlgraph.Edge(sqlgraph.O2O, true, car.OwnerTable, car.OwnerColumn),
+		)
+		fromV = sqlgraph.Neighbors(_m.driver.Dialect(), step)
+		return fromV, nil
+	}
+	return query
+}
+
+// Hooks returns the client hooks.
+func (c *CarClient) Hooks() []Hook {
+	return c.hooks.Car
+}
+
+// Interceptors returns the client interceptors.
+func (c *CarClient) Interceptors() []Interceptor {
+	return c.inters.Car
+}
+
+func (c *CarClient) mutate(ctx context.Context, m *CarMutation) (Value, error) {
+	switch m.Op() {
+	case OpCreate:
+		return (&CarCreate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdate:
+		return (&CarUpdate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdateOne:
+		return (&CarUpdateOne{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpDelete, OpDeleteOne:
+		return (&CarDelete{config: c.config, hooks: c.Hooks(), mutation: m}).Exec(ctx)
+	default:
+		return nil, fmt.Errorf("entv1: unknown Car mutation op: %q", m.Op())
+	}
+}
+
+// ConversionClient is a client for the Conversion schema.
+type ConversionClient struct {
+	config
+}
+
+// NewConversionClient returns a client for the Conversion from the given config.
+func NewConversionClient(c config) *ConversionClient {
+	return &ConversionClient{config: c}
+}
+
+// Use adds a list of mutation hooks to the hooks stack.
+// A call to `Use(f, g, h)` equals to `conversion.Hooks(f(g(h())))`.
+func (c *ConversionClient) Use(hooks ...Hook) {
+	c.hooks.Conversion = append(c.hooks.Conversion, hooks...)
+}
+
+// Intercept adds a list of query interceptors to the interceptors stack.
+// A call to `Intercept(f, g, h)` equals to `conversion.Intercept(f(g(h())))`.
+func (c *ConversionClient) Intercept(interceptors ...Interceptor) {
+	c.inters.Conversion = append(c.inters.Conversion, interceptors...)
+}
+
+// Create returns a builder for creating a Conversion entity.
+func (c *ConversionClient) Create() *ConversionCreate {
+	mutation := newConversionMutation(c.config, OpCreate)
+	return &ConversionCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// CreateBulk returns a builder for creating a bulk of Conversion entities.
+func (c *ConversionClient) CreateBulk(builders ...*ConversionCreate) *ConversionCreateBulk {
+	return &ConversionCreateBulk{config: c.config, builders: builders}
+}
+
+// MapCreateBulk creates a bulk creation builder from the given slice. For each item in the slice, the function creates
+// a builder and applies setFunc on it.
+func (c *ConversionClient) MapCreateBulk(slice any, setFunc func(*ConversionCreate, int)) *ConversionCreateBulk {
+	rv := reflect.ValueOf(slice)
+	if rv.Kind() != reflect.Slice {
+		return &ConversionCreateBulk{err: fmt.Errorf("calling to ConversionClient.MapCreateBulk with wrong type %T, need slice", slice)}
+	}
+	builders := make([]*ConversionCreate, rv.Len())
+	for i := 0; i < rv.Len(); i++ {
+		builders[i] = c.Create()
+		setFunc(builders[i], i)
+	}
+	return &ConversionCreateBulk{config: c.config, builders: builders}
+}
+
+// Update returns an update builder for Conversion.
+func (c *ConversionClient) Update() *ConversionUpdate {
+	mutation := newConversionMutation(c.config, OpUpdate)
+	return &ConversionUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOne returns an update builder for the given entity.
+func (c *ConversionClient) UpdateOne(_m *Conversion) *ConversionUpdateOne {
+	mutation := newConversionMutation(c.config, OpUpdateOne, withConversion(_m))
+	return &ConversionUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOneID returns an update builder for the given id.
+func (c *ConversionClient) UpdateOneID(id int) *ConversionUpdateOne {
+	mutation := newConversionMutation(c.config, OpUpdateOne, withConversionID(id))
+	return &ConversionUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// Delete returns a delete builder for Conversion.
+func (c *ConversionClient) Delete() *ConversionDelete {
+	mutation := newConversionMutation(c.config, OpDelete)
+	return &ConversionDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// DeleteOne returns a builder for deleting the given entity.
+func (c *ConversionClient) DeleteOne(_m *Conversion) *ConversionDeleteOne {
+	return c.DeleteOneID(_m.ID)
+}
+
+// DeleteOneID returns a builder for deleting the given entity by its id.
+func (c *ConversionClient) DeleteOneID(id int) *ConversionDeleteOne {
+	builder := c.Delete().Where(conversion.ID(id))
+	builder.mutation.id = &id
+	builder.mutation.SetOp(OpDeleteOne)
+	return &ConversionDeleteOne{builder}
+}
+
+// Query returns a query builder for Conversion.
+func (c *ConversionClient) Query() *ConversionQuery {
+	return &ConversionQuery{
+		config: c.config,
+		ctx:    &QueryContext{Type: TypeConversion},
+		inters: c.Interceptors(),
+	}
+}
+
+// Get returns a Conversion entity by its id.
+func (c *ConversionClient) Get(ctx context.Context, id int) (*Conversion, error) {
+	return c.Query().Where(conversion.ID(id)).Only(ctx)
+}
+
+// GetX is like Get, but panics if an error occurs.
+func (c *ConversionClient) GetX(ctx context.Context, id int) *Conversion {
+	obj, err := c.Get(ctx, id)
+	if err != nil {
+		panic(err)
+	}
+	return obj
+}
+
+// Hooks returns the client hooks.
+func (c *ConversionClient) Hooks() []Hook {
+	return c.hooks.Conversion
+}
+
+// Interceptors returns the client interceptors.
+func (c *ConversionClient) Interceptors() []Interceptor {
+	return c.inters.Conversion
+}
+
+func (c *ConversionClient) mutate(ctx context.Context, m *ConversionMutation) (Value, error) {
+	switch m.Op() {
+	case OpCreate:
+		return (&ConversionCreate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdate:
+		return (&ConversionUpdate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdateOne:
+		return (&ConversionUpdateOne{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpDelete, OpDeleteOne:
+		return (&ConversionDelete{config: c.config, hooks: c.Hooks(), mutation: m}).Exec(ctx)
+	default:
+		return nil, fmt.Errorf("entv1: unknown Conversion mutation op: %q", m.Op())
+	}
+}
+
+// CustomTypeClient is a client for the CustomType schema.
+type CustomTypeClient struct {
+	config
+}
+
+// NewCustomTypeClient returns a client for the CustomType from the given config.
+func NewCustomTypeClient(c config) *CustomTypeClient {
+	return &CustomTypeClient{config: c}
+}
+
+// Use adds a list of mutation hooks to the hooks stack.
+// A call to `Use(f, g, h)` equals to `customtype.Hooks(f(g(h())))`.
+func (c *CustomTypeClient) Use(hooks ...Hook) {
+	c.hooks.CustomType = append(c.hooks.CustomType, hooks...)
+}
+
+// Intercept adds a list of query interceptors to the interceptors stack.
+// A call to `Intercept(f, g, h)` equals to `customtype.Intercept(f(g(h())))`.
+func (c *CustomTypeClient) Intercept(interceptors ...Interceptor) {
+	c.inters.CustomType = append(c.inters.CustomType, interceptors...)
+}
+
+// Create returns a builder for creating a CustomType entity.
+func (c *CustomTypeClient) Create() *CustomTypeCreate {
+	mutation := newCustomTypeMutation(c.config, OpCreate)
+	return &CustomTypeCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// CreateBulk returns a builder for creating a bulk of CustomType entities.
+func (c *CustomTypeClient) CreateBulk(builders ...*CustomTypeCreate) *CustomTypeCreateBulk {
+	return &CustomTypeCreateBulk{config: c.config, builders: builders}
+}
+
+// MapCreateBulk creates a bulk creation builder from the given slice. For each item in the slice, the function creates
+// a builder and applies setFunc on it.
+func (c *CustomTypeClient) MapCreateBulk(slice any, setFunc func(*CustomTypeCreate, int)) *CustomTypeCreateBulk {
+	rv := reflect.ValueOf(slice)
+	if rv.Kind() != reflect.Slice {
+		return &CustomTypeCreateBulk{err: fmt.Errorf("calling to CustomTypeClient.MapCreateBulk with wrong type %T, need slice", slice)}
+	}
+	builders := make([]*CustomTypeCreate, rv.Len())
+	for i := 0; i < rv.Len(); i++ {
+		builders[i] = c.Create()
+		setFunc(builders[i], i)
+	}
+	return &CustomTypeCreateBulk{config: c.config, builders: builders}
+}
+
+// Update returns an update builder for CustomType.
+func (c *CustomTypeClient) Update() *CustomTypeUpdate {
+	mutation := newCustomTypeMutation(c.config, OpUpdate)
+	return &CustomTypeUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOne returns an update builder for the given entity.
+func (c *CustomTypeClient) UpdateOne(_m *CustomType) *CustomTypeUpdateOne {
+	mutation := newCustomTypeMutation(c.config, OpUpdateOne, withCustomType(_m))
+	return &CustomTypeUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOneID returns an update builder for the given id.
+func (c *CustomTypeClient) UpdateOneID(id int) *CustomTypeUpdateOne {
+	mutation := newCustomTypeMutation(c.config, OpUpdateOne, withCustomTypeID(id))
+	return &CustomTypeUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// Delete returns a delete builder for CustomType.
+func (c *CustomTypeClient) Delete() *CustomTypeDelete {
+	mutation := newCustomTypeMutation(c.config, OpDelete)
+	return &CustomTypeDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// DeleteOne returns a builder for deleting the given entity.
+func (c *CustomTypeClient) DeleteOne(_m *CustomType) *CustomTypeDeleteOne {
+	return c.DeleteOneID(_m.ID)
+}
+
+// DeleteOneID returns a builder for deleting the given entity by its id.
+func (c *CustomTypeClient) DeleteOneID(id int) *CustomTypeDeleteOne {
+	builder := c.Delete().Where(customtype.ID(id))
+	builder.mutation.id = &id
+	builder.mutation.SetOp(OpDeleteOne)
+	return &CustomTypeDeleteOne{builder}
+}
+
+// Query returns a query builder for CustomType.
+func (c *CustomTypeClient) Query() *CustomTypeQuery {
+	return &CustomTypeQuery{
+		config: c.config,
+		ctx:    &QueryContext{Type: TypeCustomType},
+		inters: c.Interceptors(),
+	}
+}
+
+// Get returns a CustomType entity by its id.
+func (c *CustomTypeClient) Get(ctx context.Context, id int) (*CustomType, error) {
+	return c.Query().Where(customtype.ID(id)).Only(ctx)
+}
+
+// GetX is like Get, but panics if an error occurs.
+func (c *CustomTypeClient) GetX(ctx context.Context, id int) *CustomType {
+	obj, err := c.Get(ctx, id)
+	if err != nil {
+		panic(err)
+	}
+	return obj
+}
+
+// Hooks returns the client hooks.
+func (c *CustomTypeClient) Hooks() []Hook {
+	return c.hooks.CustomType
+}
+
+// Interceptors returns the client interceptors.
+func (c *CustomTypeClient) Interceptors() []Interceptor {
+	return c.inters.CustomType
+}
+
+func (c *CustomTypeClient) mutate(ctx context.Context, m *CustomTypeMutation) (Value, error) {
+	switch m.Op() {
+	case OpCreate:
+		return (&CustomTypeCreate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdate:
+		return (&CustomTypeUpdate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdateOne:
+		return (&CustomTypeUpdateOne{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpDelete, OpDeleteOne:
+		return (&CustomTypeDelete{config: c.config, hooks: c.Hooks(), mutation: m}).Exec(ctx)
+	default:
+		return nil, fmt.Errorf("entv1: unknown CustomType mutation op: %q", m.Op())
+	}
+}
+
+// UserClient is a client for the User schema.
+type UserClient struct {
+	config
+}
+
+// NewUserClient returns a client for the User from the given config.
+func NewUserClient(c config) *UserClient {
+	return &UserClient{config: c}
+}
+
+// Use adds a list of mutation hooks to the hooks stack.
+// A call to `Use(f, g, h)` equals to `user.Hooks(f(g(h())))`.
+func (c *UserClient) Use(hooks ...Hook) {
+	c.hooks.User = append(c.hooks.User, hooks...)
+}
+
+// Intercept adds a list of query interceptors to the interceptors stack.
+// A call to `Intercept(f, g, h)` equals to `user.Intercept(f(g(h())))`.
+func (c *UserClient) Intercept(interceptors ...Interceptor) {
+	c.inters.User = append(c.inters.User, interceptors...)
+}
+
+// Create returns a builder for creating a User entity.
+func (c *UserClient) Create() *UserCreate {
+	mutation := newUserMutation(c.config, OpCreate)
+	return &UserCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// CreateBulk returns a builder for creating a bulk of User entities.
+func (c *UserClient) CreateBulk(builders ...*UserCreate) *UserCreateBulk {
+	return &UserCreateBulk{config: c.config, builders: builders}
+}
+
+// MapCreateBulk creates a bulk creation builder from the given slice. For each item in the slice, the function creates
+// a builder and applies setFunc on it.
+func (c *UserClient) MapCreateBulk(slice any, setFunc func(*UserCreate, int)) *UserCreateBulk {
+	rv := reflect.ValueOf(slice)
+	if rv.Kind() != reflect.Slice {
+		return &UserCreateBulk{err: fmt.Errorf("calling to UserClient.MapCreateBulk with wrong type %T, need slice", slice)}
+	}
+	builders := make([]*UserCreate, rv.Len())
+	for i := 0; i < rv.Len(); i++ {
+		builders[i] = c.Create()
+		setFunc(builders[i], i)
+	}
+	return &UserCreateBulk{config: c.config, builders: builders}
+}
+
+// Update returns an update builder for User.
+func (c *UserClient) Update() *UserUpdate {
+	mutation := newUserMutation(c.config, OpUpdate)
+	return &UserUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOne returns an update builder for the given entity.
+func (c *UserClient) UpdateOne(_m *User) *UserUpdateOne {
+	mutation := newUserMutation(c.config, OpUpdateOne, withUser(_m))
+	return &UserUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOneID returns an update builder for the given id.
+func (c *UserClient) UpdateOneID(id int) *UserUpdateOne {
+	mutation := newUserMutation(c.config, OpUpdateOne, withUserID(id))
+	return &UserUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// Delete returns a delete builder for User.
+func (c *UserClient) Delete() *UserDelete {
+	mutation := newUserMutation(c.config, OpDelete)
+	return &UserDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// DeleteOne returns a builder for deleting the given entity.
+func (c *UserClient) DeleteOne(_m *User) *UserDeleteOne {
+	return c.DeleteOneID(_m.ID)
+}
+
+// DeleteOneID returns a builder for deleting the given entity by its id.
+func (c *UserClient) DeleteOneID(id int) *UserDeleteOne {
+	builder := c.Delete().Where(user.ID(id))
+	builder.mutation.id = &id
+	builder.mutation.SetOp(OpDeleteOne)
+	return &UserDeleteOne{builder}
+}
+
+// Query returns a query builder for User.
+func (c *UserClient) Query() *UserQuery {
+	return &UserQuery{
+		config: c.config,
+		ctx:    &QueryContext{Type: TypeUser},
+		inters: c.Interceptors(),
+	}
+}
+
+// Get returns a User entity by its id.
+func (c *UserClient) Get(ctx context.Context, id int) (*User, error) {
+	return c.Query().Where(user.ID(id)).Only(ctx)
+}
+
+// GetX is like Get, but panics if an error occurs.
+func (c *UserClient) GetX(ctx context.Context, id int) *User {
+	obj, err := c.Get(ctx, id)
+	if err != nil {
+		panic(err)
+	}
+	return obj
+}
+
+// QueryParent queries the parent edge of a User.
+func (c *UserClient) QueryParent(_m *User) *UserQuery {
+	query := (&UserClient{config: c.config}).Query()
+	query.path = func(context.Context) (fromV *sql.Selector, _ error) {
+		id := _m.ID
+		step := sqlgraph.NewStep(
+			sqlgraph.From(user.Table, user.FieldID, id),
+			sqlgraph.To(user.Table, user.FieldID),
+			sqlgraph.Edge(sqlgraph.M2O, true, user.ParentTable, user.ParentColumn),
+		)
+		fromV = sqlgraph.Neighbors(_m.driver.Dialect(), step)
+		return fromV, nil
+	}
+	return query
+}
+
+// QueryChildren queries the children edge of a User.
+func (c *UserClient) QueryChildren(_m *User) *UserQuery {
+	query := (&UserClient{config: c.config}).Query()
+	query.path = func(context.Context) (fromV *sql.Selector, _ error) {
+		id := _m.ID
+		step := sqlgraph.NewStep(
+			sqlgraph.From(user.Table, user.FieldID, id),
+			sqlgraph.To(user.Table, user.FieldID),
+			sqlgraph.Edge(sqlgraph.O2M, false, user.ChildrenTable, user.ChildrenColumn),
+		)
+		fromV = sqlgraph.Neighbors(_m.driver.Dialect(), step)
+		return fromV, nil
+	}
+	return query
+}
+
+// QuerySpouse queries the spouse edge of a User.
+func (c *UserClient) QuerySpouse(_m *User) *UserQuery {
+	query := (&UserClient{config: c.config}).Query()
+	query.path = func(context.Context) (fromV *sql.Selector, _ error) {
+		id := _m.ID
+		step := sqlgraph.NewStep(
+			sqlgraph.From(user.Table, user.FieldID, id),
+			sqlgraph.To(user.Table, user.FieldID),
+			sqlgraph.Edge(sqlgraph.O2O, false, user.SpouseTable, user.SpouseColumn),
+		)
+		fromV = sqlgraph.Neighbors(_m.driver.Dialect(), step)
+		return fromV, nil
+	}
+	return query
+}
+
+// QueryCar queries the car edge of a User.
+func (c *UserClient) QueryCar(_m *User) *CarQuery {
+	query := (&CarClient{config: c.config}).Query()
+	query.path = func(context.Context) (fromV *sql.Selector, _ error) {
+		id := _m.ID
+		step := sqlgraph.NewStep(
+			sqlgraph.From(user.Table, user.FieldID, id),
+			sqlgraph.To(car.Table, car.FieldID),
+			sqlgraph.Edge(sqlgraph.O2O, false, user.CarTable, user.CarColumn),
+		)
+		fromV = sqlgraph.Neighbors(_m.driver.Dialect(), step)
+		return fromV, nil
+	}
+	return query
+}
+
+// Hooks returns the client hooks.
+func (c *UserClient) Hooks() []Hook {
+	return c.hooks.User
+}
+
+// Interceptors returns the client interceptors.
+func (c *UserClient) Interceptors() []Interceptor {
+	return c.inters.User
+}
+
+func (c *UserClient) mutate(ctx context.Context, m *UserMutation) (Value, error) {
+	switch m.Op() {
+	case OpCreate:
+		return (&UserCreate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdate:
+		return (&UserUpdate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdateOne:
+		return (&UserUpdateOne{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpDelete, OpDeleteOne:
+		return (&UserDelete{config: c.config, hooks: c.Hooks(), mutation: m}).Exec(ctx)
+	default:
+		return nil, fmt.Errorf("entv1: unknown User mutation op: %q", m.Op())
+	}
+}
+
+// hooks and interceptors per client, for fast access.
+type (
+	hooks struct {
+		Car, Conversion, CustomType, User []ent.Hook
+	}
+	inters struct {
+		Car, Conversion, CustomType, User []ent.Interceptor
+	}
+)

entc/integration/migrate/entv1/conversion.go

@@ -0,0 +1,195 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package entv1
+
+import (
+	"fmt"
+	"strings"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/entc/integration/migrate/entv1/conversion"
+)
+
+// Conversion is the model entity for the Conversion schema.
+type Conversion struct {
+	config `json:"-"`
+	// ID of the ent.
+	ID int `json:"id,omitempty"`
+	// Name holds the value of the "name" field.
+	Name string `json:"name,omitempty"`
+	// Int8ToString holds the value of the "int8_to_string" field.
+	Int8ToString int8 `json:"int8_to_string,omitempty"`
+	// Uint8ToString holds the value of the "uint8_to_string" field.
+	Uint8ToString uint8 `json:"uint8_to_string,omitempty"`
+	// Int16ToString holds the value of the "int16_to_string" field.
+	Int16ToString int16 `json:"int16_to_string,omitempty"`
+	// Uint16ToString holds the value of the "uint16_to_string" field.
+	Uint16ToString uint16 `json:"uint16_to_string,omitempty"`
+	// Int32ToString holds the value of the "int32_to_string" field.
+	Int32ToString int32 `json:"int32_to_string,omitempty"`
+	// Uint32ToString holds the value of the "uint32_to_string" field.
+	Uint32ToString uint32 `json:"uint32_to_string,omitempty"`
+	// Int64ToString holds the value of the "int64_to_string" field.
+	Int64ToString int64 `json:"int64_to_string,omitempty"`
+	// Uint64ToString holds the value of the "uint64_to_string" field.
+	Uint64ToString uint64 `json:"uint64_to_string,omitempty"`
+	selectValues   sql.SelectValues
+}
+
+// scanValues returns the types for scanning values from sql.Rows.
+func (*Conversion) scanValues(columns []string) ([]any, error) {
+	values := make([]any, len(columns))
+	for i := range columns {
+		switch columns[i] {
+		case conversion.FieldID, conversion.FieldInt8ToString, conversion.FieldUint8ToString, conversion.FieldInt16ToString, conversion.FieldUint16ToString, conversion.FieldInt32ToString, conversion.FieldUint32ToString, conversion.FieldInt64ToString, conversion.FieldUint64ToString:
+			values[i] = new(sql.NullInt64)
+		case conversion.FieldName:
+			values[i] = new(sql.NullString)
+		default:
+			values[i] = new(sql.UnknownType)
+		}
+	}
+	return values, nil
+}
+
+// assignValues assigns the values that were returned from sql.Rows (after scanning)
+// to the Conversion fields.
+func (_m *Conversion) assignValues(columns []string, values []any) error {
+	if m, n := len(values), len(columns); m < n {
+		return fmt.Errorf("mismatch number of scan values: %d != %d", m, n)
+	}
+	for i := range columns {
+		switch columns[i] {
+		case conversion.FieldID:
+			value, ok := values[i].(*sql.NullInt64)
+			if !ok {
+				return fmt.Errorf("unexpected type %T for field id", value)
+			}
+			_m.ID = int(value.Int64)
+		case conversion.FieldName:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field name", values[i])
+			} else if value.Valid {
+				_m.Name = value.String
+			}
+		case conversion.FieldInt8ToString:
+			if value, ok := values[i].(*sql.NullInt64); !ok {
+				return fmt.Errorf("unexpected type %T for field int8_to_string", values[i])
+			} else if value.Valid {
+				_m.Int8ToString = int8(value.Int64)
+			}
+		case conversion.FieldUint8ToString:
+			if value, ok := values[i].(*sql.NullInt64); !ok {
+				return fmt.Errorf("unexpected type %T for field uint8_to_string", values[i])
+			} else if value.Valid {
+				_m.Uint8ToString = uint8(value.Int64)
+			}
+		case conversion.FieldInt16ToString:
+			if value, ok := values[i].(*sql.NullInt64); !ok {
+				return fmt.Errorf("unexpected type %T for field int16_to_string", values[i])
+			} else if value.Valid {
+				_m.Int16ToString = int16(value.Int64)
+			}
+		case conversion.FieldUint16ToString:
+			if value, ok := values[i].(*sql.NullInt64); !ok {
+				return fmt.Errorf("unexpected type %T for field uint16_to_string", values[i])
+			} else if value.Valid {
+				_m.Uint16ToString = uint16(value.Int64)
+			}
+		case conversion.FieldInt32ToString:
+			if value, ok := values[i].(*sql.NullInt64); !ok {
+				return fmt.Errorf("unexpected type %T for field int32_to_string", values[i])
+			} else if value.Valid {
+				_m.Int32ToString = int32(value.Int64)
+			}
+		case conversion.FieldUint32ToString:
+			if value, ok := values[i].(*sql.NullInt64); !ok {
+				return fmt.Errorf("unexpected type %T for field uint32_to_string", values[i])
+			} else if value.Valid {
+				_m.Uint32ToString = uint32(value.Int64)
+			}
+		case conversion.FieldInt64ToString:
+			if value, ok := values[i].(*sql.NullInt64); !ok {
+				return fmt.Errorf("unexpected type %T for field int64_to_string", values[i])
+			} else if value.Valid {
+				_m.Int64ToString = value.Int64
+			}
+		case conversion.FieldUint64ToString:
+			if value, ok := values[i].(*sql.NullInt64); !ok {
+				return fmt.Errorf("unexpected type %T for field uint64_to_string", values[i])
+			} else if value.Valid {
+				_m.Uint64ToString = uint64(value.Int64)
+			}
+		default:
+			_m.selectValues.Set(columns[i], values[i])
+		}
+	}
+	return nil
+}
+
+// Value returns the ent.Value that was dynamically selected and assigned to the Conversion.
+// This includes values selected through modifiers, order, etc.
+func (_m *Conversion) Value(name string) (ent.Value, error) {
+	return _m.selectValues.Get(name)
+}
+
+// Update returns a builder for updating this Conversion.
+// Note that you need to call Conversion.Unwrap() before calling this method if this Conversion
+// was returned from a transaction, and the transaction was committed or rolled back.
+func (_m *Conversion) Update() *ConversionUpdateOne {
+	return NewConversionClient(_m.config).UpdateOne(_m)
+}
+
+// Unwrap unwraps the Conversion entity that was returned from a transaction after it was closed,
+// so that all future queries will be executed through the driver which created the transaction.
+func (_m *Conversion) Unwrap() *Conversion {
+	_tx, ok := _m.config.driver.(*txDriver)
+	if !ok {
+		panic("entv1: Conversion is not a transactional entity")
+	}
+	_m.config.driver = _tx.drv
+	return _m
+}
+
+// String implements the fmt.Stringer.
+func (_m *Conversion) String() string {
+	var builder strings.Builder
+	builder.WriteString("Conversion(")
+	builder.WriteString(fmt.Sprintf("id=%v, ", _m.ID))
+	builder.WriteString("name=")
+	builder.WriteString(_m.Name)
+	builder.WriteString(", ")
+	builder.WriteString("int8_to_string=")
+	builder.WriteString(fmt.Sprintf("%v", _m.Int8ToString))
+	builder.WriteString(", ")
+	builder.WriteString("uint8_to_string=")
+	builder.WriteString(fmt.Sprintf("%v", _m.Uint8ToString))
+	builder.WriteString(", ")
+	builder.WriteString("int16_to_string=")
+	builder.WriteString(fmt.Sprintf("%v", _m.Int16ToString))
+	builder.WriteString(", ")
+	builder.WriteString("uint16_to_string=")
+	builder.WriteString(fmt.Sprintf("%v", _m.Uint16ToString))
+	builder.WriteString(", ")
+	builder.WriteString("int32_to_string=")
+	builder.WriteString(fmt.Sprintf("%v", _m.Int32ToString))
+	builder.WriteString(", ")
+	builder.WriteString("uint32_to_string=")
+	builder.WriteString(fmt.Sprintf("%v", _m.Uint32ToString))
+	builder.WriteString(", ")
+	builder.WriteString("int64_to_string=")
+	builder.WriteString(fmt.Sprintf("%v", _m.Int64ToString))
+	builder.WriteString(", ")
+	builder.WriteString("uint64_to_string=")
+	builder.WriteString(fmt.Sprintf("%v", _m.Uint64ToString))
+	builder.WriteByte(')')
+	return builder.String()
+}
+
+// Conversions is a parsable slice of Conversion.
+type Conversions []*Conversion

entc/integration/migrate/entv1/conversion/conversion.go

@@ -0,0 +1,115 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package conversion
+
+import (
+	"entgo.io/ent/dialect/sql"
+)
+
+const (
+	// Label holds the string label denoting the conversion type in the database.
+	Label = "conversion"
+	// FieldID holds the string denoting the id field in the database.
+	FieldID = "id"
+	// FieldName holds the string denoting the name field in the database.
+	FieldName = "name"
+	// FieldInt8ToString holds the string denoting the int8_to_string field in the database.
+	FieldInt8ToString = "int8_to_string"
+	// FieldUint8ToString holds the string denoting the uint8_to_string field in the database.
+	FieldUint8ToString = "uint8_to_string"
+	// FieldInt16ToString holds the string denoting the int16_to_string field in the database.
+	FieldInt16ToString = "int16_to_string"
+	// FieldUint16ToString holds the string denoting the uint16_to_string field in the database.
+	FieldUint16ToString = "uint16_to_string"
+	// FieldInt32ToString holds the string denoting the int32_to_string field in the database.
+	FieldInt32ToString = "int32_to_string"
+	// FieldUint32ToString holds the string denoting the uint32_to_string field in the database.
+	FieldUint32ToString = "uint32_to_string"
+	// FieldInt64ToString holds the string denoting the int64_to_string field in the database.
+	FieldInt64ToString = "int64_to_string"
+	// FieldUint64ToString holds the string denoting the uint64_to_string field in the database.
+	FieldUint64ToString = "uint64_to_string"
+	// Table holds the table name of the conversion in the database.
+	Table = "conversions"
+)
+
+// Columns holds all SQL columns for conversion fields.
+var Columns = []string{
+	FieldID,
+	FieldName,
+	FieldInt8ToString,
+	FieldUint8ToString,
+	FieldInt16ToString,
+	FieldUint16ToString,
+	FieldInt32ToString,
+	FieldUint32ToString,
+	FieldInt64ToString,
+	FieldUint64ToString,
+}
+
+// ValidColumn reports if the column name is valid (part of the table columns).
+func ValidColumn(column string) bool {
+	for i := range Columns {
+		if column == Columns[i] {
+			return true
+		}
+	}
+	return false
+}
+
+// OrderOption defines the ordering options for the Conversion queries.
+type OrderOption func(*sql.Selector)
+
+// ByID orders the results by the id field.
+func ByID(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldID, opts...).ToFunc()
+}
+
+// ByName orders the results by the name field.
+func ByName(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldName, opts...).ToFunc()
+}
+
+// ByInt8ToString orders the results by the int8_to_string field.
+func ByInt8ToString(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldInt8ToString, opts...).ToFunc()
+}
+
+// ByUint8ToString orders the results by the uint8_to_string field.
+func ByUint8ToString(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldUint8ToString, opts...).ToFunc()
+}
+
+// ByInt16ToString orders the results by the int16_to_string field.
+func ByInt16ToString(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldInt16ToString, opts...).ToFunc()
+}
+
+// ByUint16ToString orders the results by the uint16_to_string field.
+func ByUint16ToString(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldUint16ToString, opts...).ToFunc()
+}
+
+// ByInt32ToString orders the results by the int32_to_string field.
+func ByInt32ToString(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldInt32ToString, opts...).ToFunc()
+}
+
+// ByUint32ToString orders the results by the uint32_to_string field.
+func ByUint32ToString(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldUint32ToString, opts...).ToFunc()
+}
+
+// ByInt64ToString orders the results by the int64_to_string field.
+func ByInt64ToString(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldInt64ToString, opts...).ToFunc()
+}
+
+// ByUint64ToString orders the results by the uint64_to_string field.
+func ByUint64ToString(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldUint64ToString, opts...).ToFunc()
+}

entc/integration/migrate/entv1/conversion/mutation.go

@@ -0,0 +1,962 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package conversion
+
+import (
+	"context"
+	"fmt"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/entc/integration/migrate/entv1/predicate"
+)
+
+// Mutation represents an operation that mutates the Conversion nodes in the graph.
+type Mutation struct {
+	op                  ent.Op
+	typ                 string
+	name                *string
+	int8_to_string      *int8
+	addint8_to_string   *int8
+	uint8_to_string     *uint8
+	adduint8_to_string  *int8
+	int16_to_string     *int16
+	addint16_to_string  *int16
+	uint16_to_string    *uint16
+	adduint16_to_string *int16
+	int32_to_string     *int32
+	addint32_to_string  *int32
+	uint32_to_string    *uint32
+	adduint32_to_string *int32
+	int64_to_string     *int64
+	addint64_to_string  *int64
+	uint64_to_string    *uint64
+	adduint64_to_string *int64
+	clearedFields       map[string]struct{}
+	predicates          []predicate.Conversion
+}
+
+// NewMutation creates a new Mutation for the Conversion entity.
+func NewMutation(op ent.Op) *Mutation {
+	return &Mutation{
+		op:            op,
+		typ:           "Conversion",
+		clearedFields: make(map[string]struct{}),
+	}
+}
+
+// Predicates returns the list of predicates set on the mutation.
+func (m *Mutation) Predicates() []predicate.Conversion {
+	return m.predicates
+}
+
+// SetName sets the "name" field.
+func (m *Mutation) SetName(s string) {
+	m.name = &s
+}
+
+// Name returns the value of the "name" field in the mutation.
+func (m *Mutation) Name() (r string, exists bool) {
+	v := m.name
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// ClearName clears the value of the "name" field.
+func (m *Mutation) ClearName() {
+	m.name = nil
+	m.clearedFields[FieldName] = struct{}{}
+}
+
+// NameCleared returns if the "name" field was cleared in this mutation.
+func (m *Mutation) NameCleared() bool {
+	_, ok := m.clearedFields[FieldName]
+	return ok
+}
+
+// ResetName resets all changes to the "name" field.
+func (m *Mutation) ResetName() {
+	m.name = nil
+	delete(m.clearedFields, FieldName)
+}
+
+// SetInt8ToString sets the "int8_to_string" field.
+func (m *Mutation) SetInt8ToString(i int8) {
+	m.int8_to_string = &i
+	m.addint8_to_string = nil
+}
+
+// Int8ToString returns the value of the "int8_to_string" field in the mutation.
+func (m *Mutation) Int8ToString() (r int8, exists bool) {
+	v := m.int8_to_string
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// AddInt8ToString adds i to the "int8_to_string" field.
+func (m *Mutation) AddInt8ToString(i int8) {
+	if m.addint8_to_string != nil {
+		*m.addint8_to_string += i
+	} else {
+		m.addint8_to_string = &i
+	}
+}
+
+// AddedInt8ToString returns the value that was added to the "int8_to_string" field in this mutation.
+func (m *Mutation) AddedInt8ToString() (r int8, exists bool) {
+	v := m.addint8_to_string
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// ClearInt8ToString clears the value of the "int8_to_string" field.
+func (m *Mutation) ClearInt8ToString() {
+	m.int8_to_string = nil
+	m.addint8_to_string = nil
+	m.clearedFields[FieldInt8ToString] = struct{}{}
+}
+
+// Int8ToStringCleared returns if the "int8_to_string" field was cleared in this mutation.
+func (m *Mutation) Int8ToStringCleared() bool {
+	_, ok := m.clearedFields[FieldInt8ToString]
+	return ok
+}
+
+// ResetInt8ToString resets all changes to the "int8_to_string" field.
+func (m *Mutation) ResetInt8ToString() {
+	m.int8_to_string = nil
+	m.addint8_to_string = nil
+	delete(m.clearedFields, FieldInt8ToString)
+}
+
+// SetUint8ToString sets the "uint8_to_string" field.
+func (m *Mutation) SetUint8ToString(u uint8) {
+	m.uint8_to_string = &u
+	m.adduint8_to_string = nil
+}
+
+// Uint8ToString returns the value of the "uint8_to_string" field in the mutation.
+func (m *Mutation) Uint8ToString() (r uint8, exists bool) {
+	v := m.uint8_to_string
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// AddUint8ToString adds u to the "uint8_to_string" field.
+func (m *Mutation) AddUint8ToString(u int8) {
+	if m.adduint8_to_string != nil {
+		*m.adduint8_to_string += u
+	} else {
+		m.adduint8_to_string = &u
+	}
+}
+
+// AddedUint8ToString returns the value that was added to the "uint8_to_string" field in this mutation.
+func (m *Mutation) AddedUint8ToString() (r int8, exists bool) {
+	v := m.adduint8_to_string
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// ClearUint8ToString clears the value of the "uint8_to_string" field.
+func (m *Mutation) ClearUint8ToString() {
+	m.uint8_to_string = nil
+	m.adduint8_to_string = nil
+	m.clearedFields[FieldUint8ToString] = struct{}{}
+}
+
+// Uint8ToStringCleared returns if the "uint8_to_string" field was cleared in this mutation.
+func (m *Mutation) Uint8ToStringCleared() bool {
+	_, ok := m.clearedFields[FieldUint8ToString]
+	return ok
+}
+
+// ResetUint8ToString resets all changes to the "uint8_to_string" field.
+func (m *Mutation) ResetUint8ToString() {
+	m.uint8_to_string = nil
+	m.adduint8_to_string = nil
+	delete(m.clearedFields, FieldUint8ToString)
+}
+
+// SetInt16ToString sets the "int16_to_string" field.
+func (m *Mutation) SetInt16ToString(i int16) {
+	m.int16_to_string = &i
+	m.addint16_to_string = nil
+}
+
+// Int16ToString returns the value of the "int16_to_string" field in the mutation.
+func (m *Mutation) Int16ToString() (r int16, exists bool) {
+	v := m.int16_to_string
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// AddInt16ToString adds i to the "int16_to_string" field.
+func (m *Mutation) AddInt16ToString(i int16) {
+	if m.addint16_to_string != nil {
+		*m.addint16_to_string += i
+	} else {
+		m.addint16_to_string = &i
+	}
+}
+
+// AddedInt16ToString returns the value that was added to the "int16_to_string" field in this mutation.
+func (m *Mutation) AddedInt16ToString() (r int16, exists bool) {
+	v := m.addint16_to_string
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// ClearInt16ToString clears the value of the "int16_to_string" field.
+func (m *Mutation) ClearInt16ToString() {
+	m.int16_to_string = nil
+	m.addint16_to_string = nil
+	m.clearedFields[FieldInt16ToString] = struct{}{}
+}
+
+// Int16ToStringCleared returns if the "int16_to_string" field was cleared in this mutation.
+func (m *Mutation) Int16ToStringCleared() bool {
+	_, ok := m.clearedFields[FieldInt16ToString]
+	return ok
+}
+
+// ResetInt16ToString resets all changes to the "int16_to_string" field.
+func (m *Mutation) ResetInt16ToString() {
+	m.int16_to_string = nil
+	m.addint16_to_string = nil
+	delete(m.clearedFields, FieldInt16ToString)
+}
+
+// SetUint16ToString sets the "uint16_to_string" field.
+func (m *Mutation) SetUint16ToString(u uint16) {
+	m.uint16_to_string = &u
+	m.adduint16_to_string = nil
+}
+
+// Uint16ToString returns the value of the "uint16_to_string" field in the mutation.
+func (m *Mutation) Uint16ToString() (r uint16, exists bool) {
+	v := m.uint16_to_string
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// AddUint16ToString adds u to the "uint16_to_string" field.
+func (m *Mutation) AddUint16ToString(u int16) {
+	if m.adduint16_to_string != nil {
+		*m.adduint16_to_string += u
+	} else {
+		m.adduint16_to_string = &u
+	}
+}
+
+// AddedUint16ToString returns the value that was added to the "uint16_to_string" field in this mutation.
+func (m *Mutation) AddedUint16ToString() (r int16, exists bool) {
+	v := m.adduint16_to_string
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// ClearUint16ToString clears the value of the "uint16_to_string" field.
+func (m *Mutation) ClearUint16ToString() {
+	m.uint16_to_string = nil
+	m.adduint16_to_string = nil
+	m.clearedFields[FieldUint16ToString] = struct{}{}
+}
+
+// Uint16ToStringCleared returns if the "uint16_to_string" field was cleared in this mutation.
+func (m *Mutation) Uint16ToStringCleared() bool {
+	_, ok := m.clearedFields[FieldUint16ToString]
+	return ok
+}
+
+// ResetUint16ToString resets all changes to the "uint16_to_string" field.
+func (m *Mutation) ResetUint16ToString() {
+	m.uint16_to_string = nil
+	m.adduint16_to_string = nil
+	delete(m.clearedFields, FieldUint16ToString)
+}
+
+// SetInt32ToString sets the "int32_to_string" field.
+func (m *Mutation) SetInt32ToString(i int32) {
+	m.int32_to_string = &i
+	m.addint32_to_string = nil
+}
+
+// Int32ToString returns the value of the "int32_to_string" field in the mutation.
+func (m *Mutation) Int32ToString() (r int32, exists bool) {
+	v := m.int32_to_string
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// AddInt32ToString adds i to the "int32_to_string" field.
+func (m *Mutation) AddInt32ToString(i int32) {
+	if m.addint32_to_string != nil {
+		*m.addint32_to_string += i
+	} else {
+		m.addint32_to_string = &i
+	}
+}
+
+// AddedInt32ToString returns the value that was added to the "int32_to_string" field in this mutation.
+func (m *Mutation) AddedInt32ToString() (r int32, exists bool) {
+	v := m.addint32_to_string
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// ClearInt32ToString clears the value of the "int32_to_string" field.
+func (m *Mutation) ClearInt32ToString() {
+	m.int32_to_string = nil
+	m.addint32_to_string = nil
+	m.clearedFields[FieldInt32ToString] = struct{}{}
+}
+
+// Int32ToStringCleared returns if the "int32_to_string" field was cleared in this mutation.
+func (m *Mutation) Int32ToStringCleared() bool {
+	_, ok := m.clearedFields[FieldInt32ToString]
+	return ok
+}
+
+// ResetInt32ToString resets all changes to the "int32_to_string" field.
+func (m *Mutation) ResetInt32ToString() {
+	m.int32_to_string = nil
+	m.addint32_to_string = nil
+	delete(m.clearedFields, FieldInt32ToString)
+}
+
+// SetUint32ToString sets the "uint32_to_string" field.
+func (m *Mutation) SetUint32ToString(u uint32) {
+	m.uint32_to_string = &u
+	m.adduint32_to_string = nil
+}
+
+// Uint32ToString returns the value of the "uint32_to_string" field in the mutation.
+func (m *Mutation) Uint32ToString() (r uint32, exists bool) {
+	v := m.uint32_to_string
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// AddUint32ToString adds u to the "uint32_to_string" field.
+func (m *Mutation) AddUint32ToString(u int32) {
+	if m.adduint32_to_string != nil {
+		*m.adduint32_to_string += u
+	} else {
+		m.adduint32_to_string = &u
+	}
+}
+
+// AddedUint32ToString returns the value that was added to the "uint32_to_string" field in this mutation.
+func (m *Mutation) AddedUint32ToString() (r int32, exists bool) {
+	v := m.adduint32_to_string
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// ClearUint32ToString clears the value of the "uint32_to_string" field.
+func (m *Mutation) ClearUint32ToString() {
+	m.uint32_to_string = nil
+	m.adduint32_to_string = nil
+	m.clearedFields[FieldUint32ToString] = struct{}{}
+}
+
+// Uint32ToStringCleared returns if the "uint32_to_string" field was cleared in this mutation.
+func (m *Mutation) Uint32ToStringCleared() bool {
+	_, ok := m.clearedFields[FieldUint32ToString]
+	return ok
+}
+
+// ResetUint32ToString resets all changes to the "uint32_to_string" field.
+func (m *Mutation) ResetUint32ToString() {
+	m.uint32_to_string = nil
+	m.adduint32_to_string = nil
+	delete(m.clearedFields, FieldUint32ToString)
+}
+
+// SetInt64ToString sets the "int64_to_string" field.
+func (m *Mutation) SetInt64ToString(i int64) {
+	m.int64_to_string = &i
+	m.addint64_to_string = nil
+}
+
+// Int64ToString returns the value of the "int64_to_string" field in the mutation.
+func (m *Mutation) Int64ToString() (r int64, exists bool) {
+	v := m.int64_to_string
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// AddInt64ToString adds i to the "int64_to_string" field.
+func (m *Mutation) AddInt64ToString(i int64) {
+	if m.addint64_to_string != nil {
+		*m.addint64_to_string += i
+	} else {
+		m.addint64_to_string = &i
+	}
+}
+
+// AddedInt64ToString returns the value that was added to the "int64_to_string" field in this mutation.
+func (m *Mutation) AddedInt64ToString() (r int64, exists bool) {
+	v := m.addint64_to_string
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// ClearInt64ToString clears the value of the "int64_to_string" field.
+func (m *Mutation) ClearInt64ToString() {
+	m.int64_to_string = nil
+	m.addint64_to_string = nil
+	m.clearedFields[FieldInt64ToString] = struct{}{}
+}
+
+// Int64ToStringCleared returns if the "int64_to_string" field was cleared in this mutation.
+func (m *Mutation) Int64ToStringCleared() bool {
+	_, ok := m.clearedFields[FieldInt64ToString]
+	return ok
+}
+
+// ResetInt64ToString resets all changes to the "int64_to_string" field.
+func (m *Mutation) ResetInt64ToString() {
+	m.int64_to_string = nil
+	m.addint64_to_string = nil
+	delete(m.clearedFields, FieldInt64ToString)
+}
+
+// SetUint64ToString sets the "uint64_to_string" field.
+func (m *Mutation) SetUint64ToString(u uint64) {
+	m.uint64_to_string = &u
+	m.adduint64_to_string = nil
+}
+
+// Uint64ToString returns the value of the "uint64_to_string" field in the mutation.
+func (m *Mutation) Uint64ToString() (r uint64, exists bool) {
+	v := m.uint64_to_string
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// AddUint64ToString adds u to the "uint64_to_string" field.
+func (m *Mutation) AddUint64ToString(u int64) {
+	if m.adduint64_to_string != nil {
+		*m.adduint64_to_string += u
+	} else {
+		m.adduint64_to_string = &u
+	}
+}
+
+// AddedUint64ToString returns the value that was added to the "uint64_to_string" field in this mutation.
+func (m *Mutation) AddedUint64ToString() (r int64, exists bool) {
+	v := m.adduint64_to_string
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// ClearUint64ToString clears the value of the "uint64_to_string" field.
+func (m *Mutation) ClearUint64ToString() {
+	m.uint64_to_string = nil
+	m.adduint64_to_string = nil
+	m.clearedFields[FieldUint64ToString] = struct{}{}
+}
+
+// Uint64ToStringCleared returns if the "uint64_to_string" field was cleared in this mutation.
+func (m *Mutation) Uint64ToStringCleared() bool {
+	_, ok := m.clearedFields[FieldUint64ToString]
+	return ok
+}
+
+// ResetUint64ToString resets all changes to the "uint64_to_string" field.
+func (m *Mutation) ResetUint64ToString() {
+	m.uint64_to_string = nil
+	m.adduint64_to_string = nil
+	delete(m.clearedFields, FieldUint64ToString)
+}
+
+// Where appends a list predicates to the Mutation builder.
+func (m *Mutation) Where(ps ...predicate.Conversion) {
+	m.predicates = append(m.predicates, ps...)
+}
+
+// WhereP appends storage-level predicates to the Mutation builder. Using this method,
+// users can use type-assertion to append predicates that do not depend on any generated package.
+func (m *Mutation) WhereP(ps ...func(*sql.Selector)) {
+	p := make([]predicate.Conversion, len(ps))
+	for i := range ps {
+		p[i] = ps[i]
+	}
+	m.Where(p...)
+}
+
+// Op returns the operation name.
+func (m *Mutation) Op() ent.Op {
+	return m.op
+}
+
+// SetOp allows setting the mutation operation.
+func (m *Mutation) SetOp(op ent.Op) {
+	m.op = op
+}
+
+// Type returns the node type of this mutation (Conversion).
+func (m *Mutation) Type() string {
+	return m.typ
+}
+
+// Fields returns all fields that were changed during this mutation. Note that in
+// order to get all numeric fields that were incremented/decremented, call
+// AddedFields().
+func (m *Mutation) Fields() []string {
+	fields := make([]string, 0, 9)
+	if m.name != nil {
+		fields = append(fields, FieldName)
+	}
+	if m.int8_to_string != nil {
+		fields = append(fields, FieldInt8ToString)
+	}
+	if m.uint8_to_string != nil {
+		fields = append(fields, FieldUint8ToString)
+	}
+	if m.int16_to_string != nil {
+		fields = append(fields, FieldInt16ToString)
+	}
+	if m.uint16_to_string != nil {
+		fields = append(fields, FieldUint16ToString)
+	}
+	if m.int32_to_string != nil {
+		fields = append(fields, FieldInt32ToString)
+	}
+	if m.uint32_to_string != nil {
+		fields = append(fields, FieldUint32ToString)
+	}
+	if m.int64_to_string != nil {
+		fields = append(fields, FieldInt64ToString)
+	}
+	if m.uint64_to_string != nil {
+		fields = append(fields, FieldUint64ToString)
+	}
+	return fields
+}
+
+// Field returns the value of a field with the given name. The second boolean
+// return value indicates that this field was not set, or was not defined in the
+// schema.
+func (m *Mutation) Field(name string) (ent.Value, bool) {
+	switch name {
+	case FieldName:
+		return m.Name()
+	case FieldInt8ToString:
+		return m.Int8ToString()
+	case FieldUint8ToString:
+		return m.Uint8ToString()
+	case FieldInt16ToString:
+		return m.Int16ToString()
+	case FieldUint16ToString:
+		return m.Uint16ToString()
+	case FieldInt32ToString:
+		return m.Int32ToString()
+	case FieldUint32ToString:
+		return m.Uint32ToString()
+	case FieldInt64ToString:
+		return m.Int64ToString()
+	case FieldUint64ToString:
+		return m.Uint64ToString()
+	}
+	return nil, false
+}
+
+// OldField returns the old value of the field from the database. An error is
+// returned if the mutation operation is not UpdateOne, or the query to the
+// database failed.
+func (m *Mutation) OldField(ctx context.Context, name string) (ent.Value, error) {
+	return nil, fmt.Errorf("unknown Conversion field %s", name)
+}
+
+// SetField sets the value of a field with the given name. It returns an error if
+// the field is not defined in the schema, or if the type mismatched the field
+// type.
+func (m *Mutation) SetField(name string, value ent.Value) error {
+	switch name {
+	case FieldName:
+		v, ok := value.(string)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetName(v)
+		return nil
+	case FieldInt8ToString:
+		v, ok := value.(int8)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetInt8ToString(v)
+		return nil
+	case FieldUint8ToString:
+		v, ok := value.(uint8)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetUint8ToString(v)
+		return nil
+	case FieldInt16ToString:
+		v, ok := value.(int16)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetInt16ToString(v)
+		return nil
+	case FieldUint16ToString:
+		v, ok := value.(uint16)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetUint16ToString(v)
+		return nil
+	case FieldInt32ToString:
+		v, ok := value.(int32)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetInt32ToString(v)
+		return nil
+	case FieldUint32ToString:
+		v, ok := value.(uint32)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetUint32ToString(v)
+		return nil
+	case FieldInt64ToString:
+		v, ok := value.(int64)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetInt64ToString(v)
+		return nil
+	case FieldUint64ToString:
+		v, ok := value.(uint64)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetUint64ToString(v)
+		return nil
+	}
+	return fmt.Errorf("unknown Conversion field %s", name)
+}
+
+// AddedFields returns all numeric fields that were incremented/decremented during
+// this mutation.
+func (m *Mutation) AddedFields() []string {
+	var fields []string
+	if m.addint8_to_string != nil {
+		fields = append(fields, FieldInt8ToString)
+	}
+	if m.adduint8_to_string != nil {
+		fields = append(fields, FieldUint8ToString)
+	}
+	if m.addint16_to_string != nil {
+		fields = append(fields, FieldInt16ToString)
+	}
+	if m.adduint16_to_string != nil {
+		fields = append(fields, FieldUint16ToString)
+	}
+	if m.addint32_to_string != nil {
+		fields = append(fields, FieldInt32ToString)
+	}
+	if m.adduint32_to_string != nil {
+		fields = append(fields, FieldUint32ToString)
+	}
+	if m.addint64_to_string != nil {
+		fields = append(fields, FieldInt64ToString)
+	}
+	if m.adduint64_to_string != nil {
+		fields = append(fields, FieldUint64ToString)
+	}
+	return fields
+}
+
+// AddedField returns the numeric value that was incremented/decremented on a field
+// with the given name. The second boolean return value indicates that this field
+// was not set, or was not defined in the schema.
+func (m *Mutation) AddedField(name string) (ent.Value, bool) {
+	switch name {
+	case FieldInt8ToString:
+		return m.AddedInt8ToString()
+	case FieldUint8ToString:
+		return m.AddedUint8ToString()
+	case FieldInt16ToString:
+		return m.AddedInt16ToString()
+	case FieldUint16ToString:
+		return m.AddedUint16ToString()
+	case FieldInt32ToString:
+		return m.AddedInt32ToString()
+	case FieldUint32ToString:
+		return m.AddedUint32ToString()
+	case FieldInt64ToString:
+		return m.AddedInt64ToString()
+	case FieldUint64ToString:
+		return m.AddedUint64ToString()
+	}
+	return nil, false
+}
+
+// AddField adds the value to the field with the given name. It returns an error if
+// the field is not defined in the schema, or if the type mismatched the field
+// type.
+func (m *Mutation) AddField(name string, value ent.Value) error {
+	switch name {
+	case FieldInt8ToString:
+		v, ok := value.(int8)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.AddInt8ToString(v)
+		return nil
+	case FieldUint8ToString:
+		v, ok := value.(int8)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.AddUint8ToString(v)
+		return nil
+	case FieldInt16ToString:
+		v, ok := value.(int16)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.AddInt16ToString(v)
+		return nil
+	case FieldUint16ToString:
+		v, ok := value.(int16)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.AddUint16ToString(v)
+		return nil
+	case FieldInt32ToString:
+		v, ok := value.(int32)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.AddInt32ToString(v)
+		return nil
+	case FieldUint32ToString:
+		v, ok := value.(int32)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.AddUint32ToString(v)
+		return nil
+	case FieldInt64ToString:
+		v, ok := value.(int64)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.AddInt64ToString(v)
+		return nil
+	case FieldUint64ToString:
+		v, ok := value.(int64)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.AddUint64ToString(v)
+		return nil
+	}
+	return fmt.Errorf("unknown Conversion numeric field %s", name)
+}
+
+// ClearedFields returns all nullable fields that were cleared during this
+// mutation.
+func (m *Mutation) ClearedFields() []string {
+	var fields []string
+	if m.FieldCleared(FieldName) {
+		fields = append(fields, FieldName)
+	}
+	if m.FieldCleared(FieldInt8ToString) {
+		fields = append(fields, FieldInt8ToString)
+	}
+	if m.FieldCleared(FieldUint8ToString) {
+		fields = append(fields, FieldUint8ToString)
+	}
+	if m.FieldCleared(FieldInt16ToString) {
+		fields = append(fields, FieldInt16ToString)
+	}
+	if m.FieldCleared(FieldUint16ToString) {
+		fields = append(fields, FieldUint16ToString)
+	}
+	if m.FieldCleared(FieldInt32ToString) {
+		fields = append(fields, FieldInt32ToString)
+	}
+	if m.FieldCleared(FieldUint32ToString) {
+		fields = append(fields, FieldUint32ToString)
+	}
+	if m.FieldCleared(FieldInt64ToString) {
+		fields = append(fields, FieldInt64ToString)
+	}
+	if m.FieldCleared(FieldUint64ToString) {
+		fields = append(fields, FieldUint64ToString)
+	}
+	return fields
+}
+
+// FieldCleared returns a boolean indicating if a field with the given name was
+// cleared in this mutation.
+func (m *Mutation) FieldCleared(name string) bool {
+	_, ok := m.clearedFields[name]
+	return ok
+}
+
+// ClearField clears the value of the field with the given name. It returns an
+// error if the field is not defined in the schema.
+func (m *Mutation) ClearField(name string) error {
+	switch name {
+	case FieldName:
+		m.ClearName()
+		return nil
+	case FieldInt8ToString:
+		m.ClearInt8ToString()
+		return nil
+	case FieldUint8ToString:
+		m.ClearUint8ToString()
+		return nil
+	case FieldInt16ToString:
+		m.ClearInt16ToString()
+		return nil
+	case FieldUint16ToString:
+		m.ClearUint16ToString()
+		return nil
+	case FieldInt32ToString:
+		m.ClearInt32ToString()
+		return nil
+	case FieldUint32ToString:
+		m.ClearUint32ToString()
+		return nil
+	case FieldInt64ToString:
+		m.ClearInt64ToString()
+		return nil
+	case FieldUint64ToString:
+		m.ClearUint64ToString()
+		return nil
+	}
+	return fmt.Errorf("unknown Conversion nullable field %s", name)
+}
+
+// ResetField resets all changes in the mutation for the field with the given name.
+// It returns an error if the field is not defined in the schema.
+func (m *Mutation) ResetField(name string) error {
+	switch name {
+	case FieldName:
+		m.ResetName()
+		return nil
+	case FieldInt8ToString:
+		m.ResetInt8ToString()
+		return nil
+	case FieldUint8ToString:
+		m.ResetUint8ToString()
+		return nil
+	case FieldInt16ToString:
+		m.ResetInt16ToString()
+		return nil
+	case FieldUint16ToString:
+		m.ResetUint16ToString()
+		return nil
+	case FieldInt32ToString:
+		m.ResetInt32ToString()
+		return nil
+	case FieldUint32ToString:
+		m.ResetUint32ToString()
+		return nil
+	case FieldInt64ToString:
+		m.ResetInt64ToString()
+		return nil
+	case FieldUint64ToString:
+		m.ResetUint64ToString()
+		return nil
+	}
+	return fmt.Errorf("unknown Conversion field %s", name)
+}
+
+// AddedEdges returns all edge names that were set/added in this mutation.
+func (m *Mutation) AddedEdges() []string {
+	edges := make([]string, 0, 0)
+	return edges
+}
+
+// AddedIDs returns all IDs (to other nodes) that were added for the given edge
+// name in this mutation.
+func (m *Mutation) AddedIDs(name string) []ent.Value {
+	return nil
+}
+
+// RemovedEdges returns all edge names that were removed in this mutation.
+func (m *Mutation) RemovedEdges() []string {
+	edges := make([]string, 0, 0)
+	return edges
+}
+
+// RemovedIDs returns all IDs (to other nodes) that were removed for the edge with
+// the given name in this mutation.
+func (m *Mutation) RemovedIDs(name string) []ent.Value {
+	return nil
+}
+
+// ClearedEdges returns all edge names that were cleared in this mutation.
+func (m *Mutation) ClearedEdges() []string {
+	edges := make([]string, 0, 0)
+	return edges
+}
+
+// EdgeCleared returns a boolean which indicates if the edge with the given name
+// was cleared in this mutation.
+func (m *Mutation) EdgeCleared(name string) bool {
+	return false
+}
+
+// ClearEdge clears the value of the edge with the given name. It returns an error
+// if that edge is not defined in the schema.
+func (m *Mutation) ClearEdge(name string) error {
+	return fmt.Errorf("unknown Conversion unique edge %s", name)
+}
+
+// ResetEdge resets all changes to the edge with the given name in this mutation.
+// It returns an error if the edge is not defined in the schema.
+func (m *Mutation) ResetEdge(name string) error {
+	return fmt.Errorf("unknown Conversion edge %s", name)
+}

entc/integration/migrate/entv1/conversion/where.go

@@ -0,0 +1,592 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package conversion
+
+import (
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/entc/integration/migrate/entv1/predicate"
+)
+
+// ID filters vertices based on their ID field.
+func ID(id int) predicate.Conversion {
+	return predicate.Conversion(sql.FieldEQ(FieldID, id))
+}
+
+// IDEQ applies the EQ predicate on the ID field.
+func IDEQ(id int) predicate.Conversion {
+	return predicate.Conversion(sql.FieldEQ(FieldID, id))
+}
+
+// IDNEQ applies the NEQ predicate on the ID field.
+func IDNEQ(id int) predicate.Conversion {
+	return predicate.Conversion(sql.FieldNEQ(FieldID, id))
+}
+
+// IDIn applies the In predicate on the ID field.
+func IDIn(ids ...int) predicate.Conversion {
+	return predicate.Conversion(sql.FieldIn(FieldID, ids...))
+}
+
+// IDNotIn applies the NotIn predicate on the ID field.
+func IDNotIn(ids ...int) predicate.Conversion {
+	return predicate.Conversion(sql.FieldNotIn(FieldID, ids...))
+}
+
+// IDGT applies the GT predicate on the ID field.
+func IDGT(id int) predicate.Conversion {
+	return predicate.Conversion(sql.FieldGT(FieldID, id))
+}
+
+// IDGTE applies the GTE predicate on the ID field.
+func IDGTE(id int) predicate.Conversion {
+	return predicate.Conversion(sql.FieldGTE(FieldID, id))
+}
+
+// IDLT applies the LT predicate on the ID field.
+func IDLT(id int) predicate.Conversion {
+	return predicate.Conversion(sql.FieldLT(FieldID, id))
+}
+
+// IDLTE applies the LTE predicate on the ID field.
+func IDLTE(id int) predicate.Conversion {
+	return predicate.Conversion(sql.FieldLTE(FieldID, id))
+}
+
+// Name applies equality check predicate on the "name" field. It's identical to NameEQ.
+func Name(v string) predicate.Conversion {
+	return predicate.Conversion(sql.FieldEQ(FieldName, v))
+}
+
+// Int8ToString applies equality check predicate on the "int8_to_string" field. It's identical to Int8ToStringEQ.
+func Int8ToString(v int8) predicate.Conversion {
+	return predicate.Conversion(sql.FieldEQ(FieldInt8ToString, v))
+}
+
+// Uint8ToString applies equality check predicate on the "uint8_to_string" field. It's identical to Uint8ToStringEQ.
+func Uint8ToString(v uint8) predicate.Conversion {
+	return predicate.Conversion(sql.FieldEQ(FieldUint8ToString, v))
+}
+
+// Int16ToString applies equality check predicate on the "int16_to_string" field. It's identical to Int16ToStringEQ.
+func Int16ToString(v int16) predicate.Conversion {
+	return predicate.Conversion(sql.FieldEQ(FieldInt16ToString, v))
+}
+
+// Uint16ToString applies equality check predicate on the "uint16_to_string" field. It's identical to Uint16ToStringEQ.
+func Uint16ToString(v uint16) predicate.Conversion {
+	return predicate.Conversion(sql.FieldEQ(FieldUint16ToString, v))
+}
+
+// Int32ToString applies equality check predicate on the "int32_to_string" field. It's identical to Int32ToStringEQ.
+func Int32ToString(v int32) predicate.Conversion {
+	return predicate.Conversion(sql.FieldEQ(FieldInt32ToString, v))
+}
+
+// Uint32ToString applies equality check predicate on the "uint32_to_string" field. It's identical to Uint32ToStringEQ.
+func Uint32ToString(v uint32) predicate.Conversion {
+	return predicate.Conversion(sql.FieldEQ(FieldUint32ToString, v))
+}
+
+// Int64ToString applies equality check predicate on the "int64_to_string" field. It's identical to Int64ToStringEQ.
+func Int64ToString(v int64) predicate.Conversion {
+	return predicate.Conversion(sql.FieldEQ(FieldInt64ToString, v))
+}
+
+// Uint64ToString applies equality check predicate on the "uint64_to_string" field. It's identical to Uint64ToStringEQ.
+func Uint64ToString(v uint64) predicate.Conversion {
+	return predicate.Conversion(sql.FieldEQ(FieldUint64ToString, v))
+}
+
+// NameEQ applies the EQ predicate on the "name" field.
+func NameEQ(v string) predicate.Conversion {
+	return predicate.Conversion(sql.FieldEQ(FieldName, v))
+}
+
+// NameNEQ applies the NEQ predicate on the "name" field.
+func NameNEQ(v string) predicate.Conversion {
+	return predicate.Conversion(sql.FieldNEQ(FieldName, v))
+}
+
+// NameIn applies the In predicate on the "name" field.
+func NameIn(vs ...string) predicate.Conversion {
+	return predicate.Conversion(sql.FieldIn(FieldName, vs...))
+}
+
+// NameNotIn applies the NotIn predicate on the "name" field.
+func NameNotIn(vs ...string) predicate.Conversion {
+	return predicate.Conversion(sql.FieldNotIn(FieldName, vs...))
+}
+
+// NameGT applies the GT predicate on the "name" field.
+func NameGT(v string) predicate.Conversion {
+	return predicate.Conversion(sql.FieldGT(FieldName, v))
+}
+
+// NameGTE applies the GTE predicate on the "name" field.
+func NameGTE(v string) predicate.Conversion {
+	return predicate.Conversion(sql.FieldGTE(FieldName, v))
+}
+
+// NameLT applies the LT predicate on the "name" field.
+func NameLT(v string) predicate.Conversion {
+	return predicate.Conversion(sql.FieldLT(FieldName, v))
+}
+
+// NameLTE applies the LTE predicate on the "name" field.
+func NameLTE(v string) predicate.Conversion {
+	return predicate.Conversion(sql.FieldLTE(FieldName, v))
+}
+
+// NameContains applies the Contains predicate on the "name" field.
+func NameContains(v string) predicate.Conversion {
+	return predicate.Conversion(sql.FieldContains(FieldName, v))
+}
+
+// NameHasPrefix applies the HasPrefix predicate on the "name" field.
+func NameHasPrefix(v string) predicate.Conversion {
+	return predicate.Conversion(sql.FieldHasPrefix(FieldName, v))
+}
+
+// NameHasSuffix applies the HasSuffix predicate on the "name" field.
+func NameHasSuffix(v string) predicate.Conversion {
+	return predicate.Conversion(sql.FieldHasSuffix(FieldName, v))
+}
+
+// NameIsNil applies the IsNil predicate on the "name" field.
+func NameIsNil() predicate.Conversion {
+	return predicate.Conversion(sql.FieldIsNull(FieldName))
+}
+
+// NameNotNil applies the NotNil predicate on the "name" field.
+func NameNotNil() predicate.Conversion {
+	return predicate.Conversion(sql.FieldNotNull(FieldName))
+}
+
+// NameEqualFold applies the EqualFold predicate on the "name" field.
+func NameEqualFold(v string) predicate.Conversion {
+	return predicate.Conversion(sql.FieldEqualFold(FieldName, v))
+}
+
+// NameContainsFold applies the ContainsFold predicate on the "name" field.
+func NameContainsFold(v string) predicate.Conversion {
+	return predicate.Conversion(sql.FieldContainsFold(FieldName, v))
+}
+
+// Int8ToStringEQ applies the EQ predicate on the "int8_to_string" field.
+func Int8ToStringEQ(v int8) predicate.Conversion {
+	return predicate.Conversion(sql.FieldEQ(FieldInt8ToString, v))
+}
+
+// Int8ToStringNEQ applies the NEQ predicate on the "int8_to_string" field.
+func Int8ToStringNEQ(v int8) predicate.Conversion {
+	return predicate.Conversion(sql.FieldNEQ(FieldInt8ToString, v))
+}
+
+// Int8ToStringIn applies the In predicate on the "int8_to_string" field.
+func Int8ToStringIn(vs ...int8) predicate.Conversion {
+	return predicate.Conversion(sql.FieldIn(FieldInt8ToString, vs...))
+}
+
+// Int8ToStringNotIn applies the NotIn predicate on the "int8_to_string" field.
+func Int8ToStringNotIn(vs ...int8) predicate.Conversion {
+	return predicate.Conversion(sql.FieldNotIn(FieldInt8ToString, vs...))
+}
+
+// Int8ToStringGT applies the GT predicate on the "int8_to_string" field.
+func Int8ToStringGT(v int8) predicate.Conversion {
+	return predicate.Conversion(sql.FieldGT(FieldInt8ToString, v))
+}
+
+// Int8ToStringGTE applies the GTE predicate on the "int8_to_string" field.
+func Int8ToStringGTE(v int8) predicate.Conversion {
+	return predicate.Conversion(sql.FieldGTE(FieldInt8ToString, v))
+}
+
+// Int8ToStringLT applies the LT predicate on the "int8_to_string" field.
+func Int8ToStringLT(v int8) predicate.Conversion {
+	return predicate.Conversion(sql.FieldLT(FieldInt8ToString, v))
+}
+
+// Int8ToStringLTE applies the LTE predicate on the "int8_to_string" field.
+func Int8ToStringLTE(v int8) predicate.Conversion {
+	return predicate.Conversion(sql.FieldLTE(FieldInt8ToString, v))
+}
+
+// Int8ToStringIsNil applies the IsNil predicate on the "int8_to_string" field.
+func Int8ToStringIsNil() predicate.Conversion {
+	return predicate.Conversion(sql.FieldIsNull(FieldInt8ToString))
+}
+
+// Int8ToStringNotNil applies the NotNil predicate on the "int8_to_string" field.
+func Int8ToStringNotNil() predicate.Conversion {
+	return predicate.Conversion(sql.FieldNotNull(FieldInt8ToString))
+}
+
+// Uint8ToStringEQ applies the EQ predicate on the "uint8_to_string" field.
+func Uint8ToStringEQ(v uint8) predicate.Conversion {
+	return predicate.Conversion(sql.FieldEQ(FieldUint8ToString, v))
+}
+
+// Uint8ToStringNEQ applies the NEQ predicate on the "uint8_to_string" field.
+func Uint8ToStringNEQ(v uint8) predicate.Conversion {
+	return predicate.Conversion(sql.FieldNEQ(FieldUint8ToString, v))
+}
+
+// Uint8ToStringIn applies the In predicate on the "uint8_to_string" field.
+func Uint8ToStringIn(vs ...uint8) predicate.Conversion {
+	return predicate.Conversion(sql.FieldIn(FieldUint8ToString, vs...))
+}
+
+// Uint8ToStringNotIn applies the NotIn predicate on the "uint8_to_string" field.
+func Uint8ToStringNotIn(vs ...uint8) predicate.Conversion {
+	return predicate.Conversion(sql.FieldNotIn(FieldUint8ToString, vs...))
+}
+
+// Uint8ToStringGT applies the GT predicate on the "uint8_to_string" field.
+func Uint8ToStringGT(v uint8) predicate.Conversion {
+	return predicate.Conversion(sql.FieldGT(FieldUint8ToString, v))
+}
+
+// Uint8ToStringGTE applies the GTE predicate on the "uint8_to_string" field.
+func Uint8ToStringGTE(v uint8) predicate.Conversion {
+	return predicate.Conversion(sql.FieldGTE(FieldUint8ToString, v))
+}
+
+// Uint8ToStringLT applies the LT predicate on the "uint8_to_string" field.
+func Uint8ToStringLT(v uint8) predicate.Conversion {
+	return predicate.Conversion(sql.FieldLT(FieldUint8ToString, v))
+}
+
+// Uint8ToStringLTE applies the LTE predicate on the "uint8_to_string" field.
+func Uint8ToStringLTE(v uint8) predicate.Conversion {
+	return predicate.Conversion(sql.FieldLTE(FieldUint8ToString, v))
+}
+
+// Uint8ToStringIsNil applies the IsNil predicate on the "uint8_to_string" field.
+func Uint8ToStringIsNil() predicate.Conversion {
+	return predicate.Conversion(sql.FieldIsNull(FieldUint8ToString))
+}
+
+// Uint8ToStringNotNil applies the NotNil predicate on the "uint8_to_string" field.
+func Uint8ToStringNotNil() predicate.Conversion {
+	return predicate.Conversion(sql.FieldNotNull(FieldUint8ToString))
+}
+
+// Int16ToStringEQ applies the EQ predicate on the "int16_to_string" field.
+func Int16ToStringEQ(v int16) predicate.Conversion {
+	return predicate.Conversion(sql.FieldEQ(FieldInt16ToString, v))
+}
+
+// Int16ToStringNEQ applies the NEQ predicate on the "int16_to_string" field.
+func Int16ToStringNEQ(v int16) predicate.Conversion {
+	return predicate.Conversion(sql.FieldNEQ(FieldInt16ToString, v))
+}
+
+// Int16ToStringIn applies the In predicate on the "int16_to_string" field.
+func Int16ToStringIn(vs ...int16) predicate.Conversion {
+	return predicate.Conversion(sql.FieldIn(FieldInt16ToString, vs...))
+}
+
+// Int16ToStringNotIn applies the NotIn predicate on the "int16_to_string" field.
+func Int16ToStringNotIn(vs ...int16) predicate.Conversion {
+	return predicate.Conversion(sql.FieldNotIn(FieldInt16ToString, vs...))
+}
+
+// Int16ToStringGT applies the GT predicate on the "int16_to_string" field.
+func Int16ToStringGT(v int16) predicate.Conversion {
+	return predicate.Conversion(sql.FieldGT(FieldInt16ToString, v))
+}
+
+// Int16ToStringGTE applies the GTE predicate on the "int16_to_string" field.
+func Int16ToStringGTE(v int16) predicate.Conversion {
+	return predicate.Conversion(sql.FieldGTE(FieldInt16ToString, v))
+}
+
+// Int16ToStringLT applies the LT predicate on the "int16_to_string" field.
+func Int16ToStringLT(v int16) predicate.Conversion {
+	return predicate.Conversion(sql.FieldLT(FieldInt16ToString, v))
+}
+
+// Int16ToStringLTE applies the LTE predicate on the "int16_to_string" field.
+func Int16ToStringLTE(v int16) predicate.Conversion {
+	return predicate.Conversion(sql.FieldLTE(FieldInt16ToString, v))
+}
+
+// Int16ToStringIsNil applies the IsNil predicate on the "int16_to_string" field.
+func Int16ToStringIsNil() predicate.Conversion {
+	return predicate.Conversion(sql.FieldIsNull(FieldInt16ToString))
+}
+
+// Int16ToStringNotNil applies the NotNil predicate on the "int16_to_string" field.
+func Int16ToStringNotNil() predicate.Conversion {
+	return predicate.Conversion(sql.FieldNotNull(FieldInt16ToString))
+}
+
+// Uint16ToStringEQ applies the EQ predicate on the "uint16_to_string" field.
+func Uint16ToStringEQ(v uint16) predicate.Conversion {
+	return predicate.Conversion(sql.FieldEQ(FieldUint16ToString, v))
+}
+
+// Uint16ToStringNEQ applies the NEQ predicate on the "uint16_to_string" field.
+func Uint16ToStringNEQ(v uint16) predicate.Conversion {
+	return predicate.Conversion(sql.FieldNEQ(FieldUint16ToString, v))
+}
+
+// Uint16ToStringIn applies the In predicate on the "uint16_to_string" field.
+func Uint16ToStringIn(vs ...uint16) predicate.Conversion {
+	return predicate.Conversion(sql.FieldIn(FieldUint16ToString, vs...))
+}
+
+// Uint16ToStringNotIn applies the NotIn predicate on the "uint16_to_string" field.
+func Uint16ToStringNotIn(vs ...uint16) predicate.Conversion {
+	return predicate.Conversion(sql.FieldNotIn(FieldUint16ToString, vs...))
+}
+
+// Uint16ToStringGT applies the GT predicate on the "uint16_to_string" field.
+func Uint16ToStringGT(v uint16) predicate.Conversion {
+	return predicate.Conversion(sql.FieldGT(FieldUint16ToString, v))
+}
+
+// Uint16ToStringGTE applies the GTE predicate on the "uint16_to_string" field.
+func Uint16ToStringGTE(v uint16) predicate.Conversion {
+	return predicate.Conversion(sql.FieldGTE(FieldUint16ToString, v))
+}
+
+// Uint16ToStringLT applies the LT predicate on the "uint16_to_string" field.
+func Uint16ToStringLT(v uint16) predicate.Conversion {
+	return predicate.Conversion(sql.FieldLT(FieldUint16ToString, v))
+}
+
+// Uint16ToStringLTE applies the LTE predicate on the "uint16_to_string" field.
+func Uint16ToStringLTE(v uint16) predicate.Conversion {
+	return predicate.Conversion(sql.FieldLTE(FieldUint16ToString, v))
+}
+
+// Uint16ToStringIsNil applies the IsNil predicate on the "uint16_to_string" field.
+func Uint16ToStringIsNil() predicate.Conversion {
+	return predicate.Conversion(sql.FieldIsNull(FieldUint16ToString))
+}
+
+// Uint16ToStringNotNil applies the NotNil predicate on the "uint16_to_string" field.
+func Uint16ToStringNotNil() predicate.Conversion {
+	return predicate.Conversion(sql.FieldNotNull(FieldUint16ToString))
+}
+
+// Int32ToStringEQ applies the EQ predicate on the "int32_to_string" field.
+func Int32ToStringEQ(v int32) predicate.Conversion {
+	return predicate.Conversion(sql.FieldEQ(FieldInt32ToString, v))
+}
+
+// Int32ToStringNEQ applies the NEQ predicate on the "int32_to_string" field.
+func Int32ToStringNEQ(v int32) predicate.Conversion {
+	return predicate.Conversion(sql.FieldNEQ(FieldInt32ToString, v))
+}
+
+// Int32ToStringIn applies the In predicate on the "int32_to_string" field.
+func Int32ToStringIn(vs ...int32) predicate.Conversion {
+	return predicate.Conversion(sql.FieldIn(FieldInt32ToString, vs...))
+}
+
+// Int32ToStringNotIn applies the NotIn predicate on the "int32_to_string" field.
+func Int32ToStringNotIn(vs ...int32) predicate.Conversion {
+	return predicate.Conversion(sql.FieldNotIn(FieldInt32ToString, vs...))
+}
+
+// Int32ToStringGT applies the GT predicate on the "int32_to_string" field.
+func Int32ToStringGT(v int32) predicate.Conversion {
+	return predicate.Conversion(sql.FieldGT(FieldInt32ToString, v))
+}
+
+// Int32ToStringGTE applies the GTE predicate on the "int32_to_string" field.
+func Int32ToStringGTE(v int32) predicate.Conversion {
+	return predicate.Conversion(sql.FieldGTE(FieldInt32ToString, v))
+}
+
+// Int32ToStringLT applies the LT predicate on the "int32_to_string" field.
+func Int32ToStringLT(v int32) predicate.Conversion {
+	return predicate.Conversion(sql.FieldLT(FieldInt32ToString, v))
+}
+
+// Int32ToStringLTE applies the LTE predicate on the "int32_to_string" field.
+func Int32ToStringLTE(v int32) predicate.Conversion {
+	return predicate.Conversion(sql.FieldLTE(FieldInt32ToString, v))
+}
+
+// Int32ToStringIsNil applies the IsNil predicate on the "int32_to_string" field.
+func Int32ToStringIsNil() predicate.Conversion {
+	return predicate.Conversion(sql.FieldIsNull(FieldInt32ToString))
+}
+
+// Int32ToStringNotNil applies the NotNil predicate on the "int32_to_string" field.
+func Int32ToStringNotNil() predicate.Conversion {
+	return predicate.Conversion(sql.FieldNotNull(FieldInt32ToString))
+}
+
+// Uint32ToStringEQ applies the EQ predicate on the "uint32_to_string" field.
+func Uint32ToStringEQ(v uint32) predicate.Conversion {
+	return predicate.Conversion(sql.FieldEQ(FieldUint32ToString, v))
+}
+
+// Uint32ToStringNEQ applies the NEQ predicate on the "uint32_to_string" field.
+func Uint32ToStringNEQ(v uint32) predicate.Conversion {
+	return predicate.Conversion(sql.FieldNEQ(FieldUint32ToString, v))
+}
+
+// Uint32ToStringIn applies the In predicate on the "uint32_to_string" field.
+func Uint32ToStringIn(vs ...uint32) predicate.Conversion {
+	return predicate.Conversion(sql.FieldIn(FieldUint32ToString, vs...))
+}
+
+// Uint32ToStringNotIn applies the NotIn predicate on the "uint32_to_string" field.
+func Uint32ToStringNotIn(vs ...uint32) predicate.Conversion {
+	return predicate.Conversion(sql.FieldNotIn(FieldUint32ToString, vs...))
+}
+
+// Uint32ToStringGT applies the GT predicate on the "uint32_to_string" field.
+func Uint32ToStringGT(v uint32) predicate.Conversion {
+	return predicate.Conversion(sql.FieldGT(FieldUint32ToString, v))
+}
+
+// Uint32ToStringGTE applies the GTE predicate on the "uint32_to_string" field.
+func Uint32ToStringGTE(v uint32) predicate.Conversion {
+	return predicate.Conversion(sql.FieldGTE(FieldUint32ToString, v))
+}
+
+// Uint32ToStringLT applies the LT predicate on the "uint32_to_string" field.
+func Uint32ToStringLT(v uint32) predicate.Conversion {
+	return predicate.Conversion(sql.FieldLT(FieldUint32ToString, v))
+}
+
+// Uint32ToStringLTE applies the LTE predicate on the "uint32_to_string" field.
+func Uint32ToStringLTE(v uint32) predicate.Conversion {
+	return predicate.Conversion(sql.FieldLTE(FieldUint32ToString, v))
+}
+
+// Uint32ToStringIsNil applies the IsNil predicate on the "uint32_to_string" field.
+func Uint32ToStringIsNil() predicate.Conversion {
+	return predicate.Conversion(sql.FieldIsNull(FieldUint32ToString))
+}
+
+// Uint32ToStringNotNil applies the NotNil predicate on the "uint32_to_string" field.
+func Uint32ToStringNotNil() predicate.Conversion {
+	return predicate.Conversion(sql.FieldNotNull(FieldUint32ToString))
+}
+
+// Int64ToStringEQ applies the EQ predicate on the "int64_to_string" field.
+func Int64ToStringEQ(v int64) predicate.Conversion {
+	return predicate.Conversion(sql.FieldEQ(FieldInt64ToString, v))
+}
+
+// Int64ToStringNEQ applies the NEQ predicate on the "int64_to_string" field.
+func Int64ToStringNEQ(v int64) predicate.Conversion {
+	return predicate.Conversion(sql.FieldNEQ(FieldInt64ToString, v))
+}
+
+// Int64ToStringIn applies the In predicate on the "int64_to_string" field.
+func Int64ToStringIn(vs ...int64) predicate.Conversion {
+	return predicate.Conversion(sql.FieldIn(FieldInt64ToString, vs...))
+}
+
+// Int64ToStringNotIn applies the NotIn predicate on the "int64_to_string" field.
+func Int64ToStringNotIn(vs ...int64) predicate.Conversion {
+	return predicate.Conversion(sql.FieldNotIn(FieldInt64ToString, vs...))
+}
+
+// Int64ToStringGT applies the GT predicate on the "int64_to_string" field.
+func Int64ToStringGT(v int64) predicate.Conversion {
+	return predicate.Conversion(sql.FieldGT(FieldInt64ToString, v))
+}
+
+// Int64ToStringGTE applies the GTE predicate on the "int64_to_string" field.
+func Int64ToStringGTE(v int64) predicate.Conversion {
+	return predicate.Conversion(sql.FieldGTE(FieldInt64ToString, v))
+}
+
+// Int64ToStringLT applies the LT predicate on the "int64_to_string" field.
+func Int64ToStringLT(v int64) predicate.Conversion {
+	return predicate.Conversion(sql.FieldLT(FieldInt64ToString, v))
+}
+
+// Int64ToStringLTE applies the LTE predicate on the "int64_to_string" field.
+func Int64ToStringLTE(v int64) predicate.Conversion {
+	return predicate.Conversion(sql.FieldLTE(FieldInt64ToString, v))
+}
+
+// Int64ToStringIsNil applies the IsNil predicate on the "int64_to_string" field.
+func Int64ToStringIsNil() predicate.Conversion {
+	return predicate.Conversion(sql.FieldIsNull(FieldInt64ToString))
+}
+
+// Int64ToStringNotNil applies the NotNil predicate on the "int64_to_string" field.
+func Int64ToStringNotNil() predicate.Conversion {
+	return predicate.Conversion(sql.FieldNotNull(FieldInt64ToString))
+}
+
+// Uint64ToStringEQ applies the EQ predicate on the "uint64_to_string" field.
+func Uint64ToStringEQ(v uint64) predicate.Conversion {
+	return predicate.Conversion(sql.FieldEQ(FieldUint64ToString, v))
+}
+
+// Uint64ToStringNEQ applies the NEQ predicate on the "uint64_to_string" field.
+func Uint64ToStringNEQ(v uint64) predicate.Conversion {
+	return predicate.Conversion(sql.FieldNEQ(FieldUint64ToString, v))
+}
+
+// Uint64ToStringIn applies the In predicate on the "uint64_to_string" field.
+func Uint64ToStringIn(vs ...uint64) predicate.Conversion {
+	return predicate.Conversion(sql.FieldIn(FieldUint64ToString, vs...))
+}
+
+// Uint64ToStringNotIn applies the NotIn predicate on the "uint64_to_string" field.
+func Uint64ToStringNotIn(vs ...uint64) predicate.Conversion {
+	return predicate.Conversion(sql.FieldNotIn(FieldUint64ToString, vs...))
+}
+
+// Uint64ToStringGT applies the GT predicate on the "uint64_to_string" field.
+func Uint64ToStringGT(v uint64) predicate.Conversion {
+	return predicate.Conversion(sql.FieldGT(FieldUint64ToString, v))
+}
+
+// Uint64ToStringGTE applies the GTE predicate on the "uint64_to_string" field.
+func Uint64ToStringGTE(v uint64) predicate.Conversion {
+	return predicate.Conversion(sql.FieldGTE(FieldUint64ToString, v))
+}
+
+// Uint64ToStringLT applies the LT predicate on the "uint64_to_string" field.
+func Uint64ToStringLT(v uint64) predicate.Conversion {
+	return predicate.Conversion(sql.FieldLT(FieldUint64ToString, v))
+}
+
+// Uint64ToStringLTE applies the LTE predicate on the "uint64_to_string" field.
+func Uint64ToStringLTE(v uint64) predicate.Conversion {
+	return predicate.Conversion(sql.FieldLTE(FieldUint64ToString, v))
+}
+
+// Uint64ToStringIsNil applies the IsNil predicate on the "uint64_to_string" field.
+func Uint64ToStringIsNil() predicate.Conversion {
+	return predicate.Conversion(sql.FieldIsNull(FieldUint64ToString))
+}
+
+// Uint64ToStringNotNil applies the NotNil predicate on the "uint64_to_string" field.
+func Uint64ToStringNotNil() predicate.Conversion {
+	return predicate.Conversion(sql.FieldNotNull(FieldUint64ToString))
+}
+
+// And groups predicates with the AND operator between them.
+func And(predicates ...predicate.Conversion) predicate.Conversion {
+	return predicate.Conversion(sql.AndPredicates(predicates...))
+}
+
+// Or groups predicates with the OR operator between them.
+func Or(predicates ...predicate.Conversion) predicate.Conversion {
+	return predicate.Conversion(sql.OrPredicates(predicates...))
+}
+
+// Not applies the not operator on the given predicate.
+func Not(p predicate.Conversion) predicate.Conversion {
+	return predicate.Conversion(sql.NotPredicates(p))
+}

entc/integration/migrate/entv1/conversion_create.go

@@ -0,0 +1,335 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package entv1
+
+import (
+	"context"
+	"fmt"
+
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/entc/integration/migrate/entv1/conversion"
+	"entgo.io/ent/schema/field"
+)
+
+// ConversionCreate is the builder for creating a Conversion entity.
+type ConversionCreate struct {
+	config
+	mutation *ConversionMutation
+	hooks    []Hook
+}
+
+// SetName sets the "name" field.
+func (_c *ConversionCreate) SetName(v string) *ConversionCreate {
+	_c.mutation.SetName(v)
+	return _c
+}
+
+// SetNillableName sets the "name" field if the given value is not nil.
+func (_c *ConversionCreate) SetNillableName(v *string) *ConversionCreate {
+	if v != nil {
+		_c.SetName(*v)
+	}
+	return _c
+}
+
+// SetInt8ToString sets the "int8_to_string" field.
+func (_c *ConversionCreate) SetInt8ToString(v int8) *ConversionCreate {
+	_c.mutation.SetInt8ToString(v)
+	return _c
+}
+
+// SetNillableInt8ToString sets the "int8_to_string" field if the given value is not nil.
+func (_c *ConversionCreate) SetNillableInt8ToString(v *int8) *ConversionCreate {
+	if v != nil {
+		_c.SetInt8ToString(*v)
+	}
+	return _c
+}
+
+// SetUint8ToString sets the "uint8_to_string" field.
+func (_c *ConversionCreate) SetUint8ToString(v uint8) *ConversionCreate {
+	_c.mutation.SetUint8ToString(v)
+	return _c
+}
+
+// SetNillableUint8ToString sets the "uint8_to_string" field if the given value is not nil.
+func (_c *ConversionCreate) SetNillableUint8ToString(v *uint8) *ConversionCreate {
+	if v != nil {
+		_c.SetUint8ToString(*v)
+	}
+	return _c
+}
+
+// SetInt16ToString sets the "int16_to_string" field.
+func (_c *ConversionCreate) SetInt16ToString(v int16) *ConversionCreate {
+	_c.mutation.SetInt16ToString(v)
+	return _c
+}
+
+// SetNillableInt16ToString sets the "int16_to_string" field if the given value is not nil.
+func (_c *ConversionCreate) SetNillableInt16ToString(v *int16) *ConversionCreate {
+	if v != nil {
+		_c.SetInt16ToString(*v)
+	}
+	return _c
+}
+
+// SetUint16ToString sets the "uint16_to_string" field.
+func (_c *ConversionCreate) SetUint16ToString(v uint16) *ConversionCreate {
+	_c.mutation.SetUint16ToString(v)
+	return _c
+}
+
+// SetNillableUint16ToString sets the "uint16_to_string" field if the given value is not nil.
+func (_c *ConversionCreate) SetNillableUint16ToString(v *uint16) *ConversionCreate {
+	if v != nil {
+		_c.SetUint16ToString(*v)
+	}
+	return _c
+}
+
+// SetInt32ToString sets the "int32_to_string" field.
+func (_c *ConversionCreate) SetInt32ToString(v int32) *ConversionCreate {
+	_c.mutation.SetInt32ToString(v)
+	return _c
+}
+
+// SetNillableInt32ToString sets the "int32_to_string" field if the given value is not nil.
+func (_c *ConversionCreate) SetNillableInt32ToString(v *int32) *ConversionCreate {
+	if v != nil {
+		_c.SetInt32ToString(*v)
+	}
+	return _c
+}
+
+// SetUint32ToString sets the "uint32_to_string" field.
+func (_c *ConversionCreate) SetUint32ToString(v uint32) *ConversionCreate {
+	_c.mutation.SetUint32ToString(v)
+	return _c
+}
+
+// SetNillableUint32ToString sets the "uint32_to_string" field if the given value is not nil.
+func (_c *ConversionCreate) SetNillableUint32ToString(v *uint32) *ConversionCreate {
+	if v != nil {
+		_c.SetUint32ToString(*v)
+	}
+	return _c
+}
+
+// SetInt64ToString sets the "int64_to_string" field.
+func (_c *ConversionCreate) SetInt64ToString(v int64) *ConversionCreate {
+	_c.mutation.SetInt64ToString(v)
+	return _c
+}
+
+// SetNillableInt64ToString sets the "int64_to_string" field if the given value is not nil.
+func (_c *ConversionCreate) SetNillableInt64ToString(v *int64) *ConversionCreate {
+	if v != nil {
+		_c.SetInt64ToString(*v)
+	}
+	return _c
+}
+
+// SetUint64ToString sets the "uint64_to_string" field.
+func (_c *ConversionCreate) SetUint64ToString(v uint64) *ConversionCreate {
+	_c.mutation.SetUint64ToString(v)
+	return _c
+}
+
+// SetNillableUint64ToString sets the "uint64_to_string" field if the given value is not nil.
+func (_c *ConversionCreate) SetNillableUint64ToString(v *uint64) *ConversionCreate {
+	if v != nil {
+		_c.SetUint64ToString(*v)
+	}
+	return _c
+}
+
+// Mutation returns the ConversionMutation object of the builder.
+func (_c *ConversionCreate) Mutation() *ConversionMutation {
+	return _c.mutation
+}
+
+// Save creates the Conversion in the database.
+func (_c *ConversionCreate) Save(ctx context.Context) (*Conversion, error) {
+	return withHooks(ctx, _c.sqlSave, _c.mutation, _c.hooks)
+}
+
+// SaveX calls Save and panics if Save returns an error.
+func (_c *ConversionCreate) SaveX(ctx context.Context) *Conversion {
+	v, err := _c.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (_c *ConversionCreate) Exec(ctx context.Context) error {
+	_, err := _c.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_c *ConversionCreate) ExecX(ctx context.Context) {
+	if err := _c.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// check runs all checks and user-defined validators on the builder.
+func (_c *ConversionCreate) check() error {
+	return nil
+}
+
+func (_c *ConversionCreate) sqlSave(ctx context.Context) (*Conversion, error) {
+	if err := _c.check(); err != nil {
+		return nil, err
+	}
+	_node, _spec := _c.createSpec()
+	if err := sqlgraph.CreateNode(ctx, _c.driver, _spec); err != nil {
+		if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	id := _spec.ID.Value.(int64)
+	_node.ID = int(id)
+	_c.mutation.id = &_node.ID
+	_c.mutation.done = true
+	return _node, nil
+}
+
+func (_c *ConversionCreate) createSpec() (*Conversion, *sqlgraph.CreateSpec) {
+	var (
+		_node = &Conversion{config: _c.config}
+		_spec = sqlgraph.NewCreateSpec(conversion.Table, sqlgraph.NewFieldSpec(conversion.FieldID, field.TypeInt))
+	)
+	if value, ok := _c.mutation.Name(); ok {
+		_spec.SetField(conversion.FieldName, field.TypeString, value)
+		_node.Name = value
+	}
+	if value, ok := _c.mutation.Int8ToString(); ok {
+		_spec.SetField(conversion.FieldInt8ToString, field.TypeInt8, value)
+		_node.Int8ToString = value
+	}
+	if value, ok := _c.mutation.Uint8ToString(); ok {
+		_spec.SetField(conversion.FieldUint8ToString, field.TypeUint8, value)
+		_node.Uint8ToString = value
+	}
+	if value, ok := _c.mutation.Int16ToString(); ok {
+		_spec.SetField(conversion.FieldInt16ToString, field.TypeInt16, value)
+		_node.Int16ToString = value
+	}
+	if value, ok := _c.mutation.Uint16ToString(); ok {
+		_spec.SetField(conversion.FieldUint16ToString, field.TypeUint16, value)
+		_node.Uint16ToString = value
+	}
+	if value, ok := _c.mutation.Int32ToString(); ok {
+		_spec.SetField(conversion.FieldInt32ToString, field.TypeInt32, value)
+		_node.Int32ToString = value
+	}
+	if value, ok := _c.mutation.Uint32ToString(); ok {
+		_spec.SetField(conversion.FieldUint32ToString, field.TypeUint32, value)
+		_node.Uint32ToString = value
+	}
+	if value, ok := _c.mutation.Int64ToString(); ok {
+		_spec.SetField(conversion.FieldInt64ToString, field.TypeInt64, value)
+		_node.Int64ToString = value
+	}
+	if value, ok := _c.mutation.Uint64ToString(); ok {
+		_spec.SetField(conversion.FieldUint64ToString, field.TypeUint64, value)
+		_node.Uint64ToString = value
+	}
+	return _node, _spec
+}
+
+// ConversionCreateBulk is the builder for creating many Conversion entities in bulk.
+type ConversionCreateBulk struct {
+	config
+	err      error
+	builders []*ConversionCreate
+}
+
+// Save creates the Conversion entities in the database.
+func (_c *ConversionCreateBulk) Save(ctx context.Context) ([]*Conversion, error) {
+	if _c.err != nil {
+		return nil, _c.err
+	}
+	specs := make([]*sqlgraph.CreateSpec, len(_c.builders))
+	nodes := make([]*Conversion, len(_c.builders))
+	mutators := make([]Mutator, len(_c.builders))
+	for i := range _c.builders {
+		func(i int, root context.Context) {
+			builder := _c.builders[i]
+			var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
+				mutation, ok := m.(*ConversionMutation)
+				if !ok {
+					return nil, fmt.Errorf("unexpected mutation type %T", m)
+				}
+				if err := builder.check(); err != nil {
+					return nil, err
+				}
+				builder.mutation = mutation
+				var err error
+				nodes[i], specs[i] = builder.createSpec()
+				if i < len(mutators)-1 {
+					_, err = mutators[i+1].Mutate(root, _c.builders[i+1].mutation)
+				} else {
+					spec := &sqlgraph.BatchCreateSpec{Nodes: specs}
+					// Invoke the actual operation on the latest mutation in the chain.
+					if err = sqlgraph.BatchCreate(ctx, _c.driver, spec); err != nil {
+						if sqlgraph.IsConstraintError(err) {
+							err = &ConstraintError{msg: err.Error(), wrap: err}
+						}
+					}
+				}
+				if err != nil {
+					return nil, err
+				}
+				mutation.id = &nodes[i].ID
+				if specs[i].ID.Value != nil {
+					id := specs[i].ID.Value.(int64)
+					nodes[i].ID = int(id)
+				}
+				mutation.done = true
+				return nodes[i], nil
+			})
+			for i := len(builder.hooks) - 1; i >= 0; i-- {
+				mut = builder.hooks[i](mut)
+			}
+			mutators[i] = mut
+		}(i, ctx)
+	}
+	if len(mutators) > 0 {
+		if _, err := mutators[0].Mutate(ctx, _c.builders[0].mutation); err != nil {
+			return nil, err
+		}
+	}
+	return nodes, nil
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (_c *ConversionCreateBulk) SaveX(ctx context.Context) []*Conversion {
+	v, err := _c.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (_c *ConversionCreateBulk) Exec(ctx context.Context) error {
+	_, err := _c.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_c *ConversionCreateBulk) ExecX(ctx context.Context) {
+	if err := _c.Exec(ctx); err != nil {
+		panic(err)
+	}
+}

entc/integration/migrate/entv1/conversion_delete.go

@@ -0,0 +1,92 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package entv1
+
+import (
+	"context"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/entc/integration/migrate/entv1/conversion"
+	"entgo.io/ent/entc/integration/migrate/entv1/predicate"
+	"entgo.io/ent/schema/field"
+)
+
+// ConversionDelete is the builder for deleting a Conversion entity.
+type ConversionDelete struct {
+	config
+	hooks    []Hook
+	mutation *ConversionMutation
+}
+
+// Where appends a list predicates to the ConversionDelete builder.
+func (_d *ConversionDelete) Where(ps ...predicate.Conversion) *ConversionDelete {
+	_d.mutation.Where(ps...)
+	return _d
+}
+
+// Exec executes the deletion query and returns how many vertices were deleted.
+func (_d *ConversionDelete) Exec(ctx context.Context) (int, error) {
+	return withHooks(ctx, _d.sqlExec, _d.mutation, _d.hooks)
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_d *ConversionDelete) ExecX(ctx context.Context) int {
+	n, err := _d.Exec(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return n
+}
+
+func (_d *ConversionDelete) sqlExec(ctx context.Context) (int, error) {
+	_spec := sqlgraph.NewDeleteSpec(conversion.Table, sqlgraph.NewFieldSpec(conversion.FieldID, field.TypeInt))
+	if ps := _d.mutation.Predicates(); len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	affected, err := sqlgraph.DeleteNodes(ctx, _d.driver, _spec)
+	if err != nil && sqlgraph.IsConstraintError(err) {
+		err = &ConstraintError{msg: err.Error(), wrap: err}
+	}
+	_d.mutation.done = true
+	return affected, err
+}
+
+// ConversionDeleteOne is the builder for deleting a single Conversion entity.
+type ConversionDeleteOne struct {
+	_d *ConversionDelete
+}
+
+// Where appends a list predicates to the ConversionDelete builder.
+func (_d *ConversionDeleteOne) Where(ps ...predicate.Conversion) *ConversionDeleteOne {
+	_d._d.mutation.Where(ps...)
+	return _d
+}
+
+// Exec executes the deletion query.
+func (_d *ConversionDeleteOne) Exec(ctx context.Context) error {
+	n, err := _d._d.Exec(ctx)
+	switch {
+	case err != nil:
+		return err
+	case n == 0:
+		return &NotFoundError{conversion.Label}
+	default:
+		return nil
+	}
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_d *ConversionDeleteOne) ExecX(ctx context.Context) {
+	if err := _d.Exec(ctx); err != nil {
+		panic(err)
+	}
+}

entc/integration/migrate/entv1/conversion_query.go

@@ -0,0 +1,531 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package entv1
+
+import (
+	"context"
+	"fmt"
+	"math"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/entc/integration/migrate/entv1/conversion"
+	"entgo.io/ent/entc/integration/migrate/entv1/predicate"
+	"entgo.io/ent/schema/field"
+)
+
+// ConversionQuery is the builder for querying Conversion entities.
+type ConversionQuery struct {
+	config
+	ctx        *QueryContext
+	order      []conversion.OrderOption
+	inters     []Interceptor
+	predicates []predicate.Conversion
+	// intermediate query (i.e. traversal path).
+	sql  *sql.Selector
+	path func(context.Context) (*sql.Selector, error)
+}
+
+// Where adds a new predicate for the ConversionQuery builder.
+func (_q *ConversionQuery) Where(ps ...predicate.Conversion) *ConversionQuery {
+	_q.predicates = append(_q.predicates, ps...)
+	return _q
+}
+
+// Limit the number of records to be returned by this query.
+func (_q *ConversionQuery) Limit(limit int) *ConversionQuery {
+	_q.ctx.Limit = &limit
+	return _q
+}
+
+// Offset to start from.
+func (_q *ConversionQuery) Offset(offset int) *ConversionQuery {
+	_q.ctx.Offset = &offset
+	return _q
+}
+
+// Unique configures the query builder to filter duplicate records on query.
+// By default, unique is set to true, and can be disabled using this method.
+func (_q *ConversionQuery) Unique(unique bool) *ConversionQuery {
+	_q.ctx.Unique = &unique
+	return _q
+}
+
+// Order specifies how the records should be ordered.
+func (_q *ConversionQuery) Order(o ...conversion.OrderOption) *ConversionQuery {
+	_q.order = append(_q.order, o...)
+	return _q
+}
+
+// First returns the first Conversion entity from the query.
+// Returns a *NotFoundError when no Conversion was found.
+func (_q *ConversionQuery) First(ctx context.Context) (*Conversion, error) {
+	nodes, err := _q.Limit(1).All(setContextOp(ctx, _q.ctx, ent.OpQueryFirst))
+	if err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nil, &NotFoundError{conversion.Label}
+	}
+	return nodes[0], nil
+}
+
+// FirstX is like First, but panics if an error occurs.
+func (_q *ConversionQuery) FirstX(ctx context.Context) *Conversion {
+	node, err := _q.First(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return node
+}
+
+// FirstID returns the first Conversion ID from the query.
+// Returns a *NotFoundError when no Conversion ID was found.
+func (_q *ConversionQuery) FirstID(ctx context.Context) (id int, err error) {
+	var ids []int
+	if ids, err = _q.Limit(1).IDs(setContextOp(ctx, _q.ctx, ent.OpQueryFirstID)); err != nil {
+		return
+	}
+	if len(ids) == 0 {
+		err = &NotFoundError{conversion.Label}
+		return
+	}
+	return ids[0], nil
+}
+
+// FirstIDX is like FirstID, but panics if an error occurs.
+func (_q *ConversionQuery) FirstIDX(ctx context.Context) int {
+	id, err := _q.FirstID(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return id
+}
+
+// Only returns a single Conversion entity found by the query, ensuring it only returns one.
+// Returns a *NotSingularError when more than one Conversion entity is found.
+// Returns a *NotFoundError when no Conversion entities are found.
+func (_q *ConversionQuery) Only(ctx context.Context) (*Conversion, error) {
+	nodes, err := _q.Limit(2).All(setContextOp(ctx, _q.ctx, ent.OpQueryOnly))
+	if err != nil {
+		return nil, err
+	}
+	switch len(nodes) {
+	case 1:
+		return nodes[0], nil
+	case 0:
+		return nil, &NotFoundError{conversion.Label}
+	default:
+		return nil, &NotSingularError{conversion.Label}
+	}
+}
+
+// OnlyX is like Only, but panics if an error occurs.
+func (_q *ConversionQuery) OnlyX(ctx context.Context) *Conversion {
+	node, err := _q.Only(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// OnlyID is like Only, but returns the only Conversion ID in the query.
+// Returns a *NotSingularError when more than one Conversion ID is found.
+// Returns a *NotFoundError when no entities are found.
+func (_q *ConversionQuery) OnlyID(ctx context.Context) (id int, err error) {
+	var ids []int
+	if ids, err = _q.Limit(2).IDs(setContextOp(ctx, _q.ctx, ent.OpQueryOnlyID)); err != nil {
+		return
+	}
+	switch len(ids) {
+	case 1:
+		id = ids[0]
+	case 0:
+		err = &NotFoundError{conversion.Label}
+	default:
+		err = &NotSingularError{conversion.Label}
+	}
+	return
+}
+
+// OnlyIDX is like OnlyID, but panics if an error occurs.
+func (_q *ConversionQuery) OnlyIDX(ctx context.Context) int {
+	id, err := _q.OnlyID(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return id
+}
+
+// All executes the query and returns a list of Conversions.
+func (_q *ConversionQuery) All(ctx context.Context) ([]*Conversion, error) {
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryAll)
+	if err := _q.prepareQuery(ctx); err != nil {
+		return nil, err
+	}
+	qr := querierAll[[]*Conversion, *ConversionQuery]()
+	return withInterceptors[[]*Conversion](ctx, _q, qr, _q.inters)
+}
+
+// AllX is like All, but panics if an error occurs.
+func (_q *ConversionQuery) AllX(ctx context.Context) []*Conversion {
+	nodes, err := _q.All(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return nodes
+}
+
+// IDs executes the query and returns a list of Conversion IDs.
+func (_q *ConversionQuery) IDs(ctx context.Context) (ids []int, err error) {
+	if _q.ctx.Unique == nil && _q.path != nil {
+		_q.Unique(true)
+	}
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryIDs)
+	if err = _q.Select(conversion.FieldID).Scan(ctx, &ids); err != nil {
+		return nil, err
+	}
+	return ids, nil
+}
+
+// IDsX is like IDs, but panics if an error occurs.
+func (_q *ConversionQuery) IDsX(ctx context.Context) []int {
+	ids, err := _q.IDs(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return ids
+}
+
+// Count returns the count of the given query.
+func (_q *ConversionQuery) Count(ctx context.Context) (int, error) {
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryCount)
+	if err := _q.prepareQuery(ctx); err != nil {
+		return 0, err
+	}
+	return withInterceptors[int](ctx, _q, querierCount[*ConversionQuery](), _q.inters)
+}
+
+// CountX is like Count, but panics if an error occurs.
+func (_q *ConversionQuery) CountX(ctx context.Context) int {
+	count, err := _q.Count(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return count
+}
+
+// Exist returns true if the query has elements in the graph.
+func (_q *ConversionQuery) Exist(ctx context.Context) (bool, error) {
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryExist)
+	switch _, err := _q.FirstID(ctx); {
+	case IsNotFound(err):
+		return false, nil
+	case err != nil:
+		return false, fmt.Errorf("entv1: check existence: %w", err)
+	default:
+		return true, nil
+	}
+}
+
+// ExistX is like Exist, but panics if an error occurs.
+func (_q *ConversionQuery) ExistX(ctx context.Context) bool {
+	exist, err := _q.Exist(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return exist
+}
+
+// Clone returns a duplicate of the ConversionQuery builder, including all associated steps. It can be
+// used to prepare common query builders and use them differently after the clone is made.
+func (_q *ConversionQuery) Clone() *ConversionQuery {
+	if _q == nil {
+		return nil
+	}
+	return &ConversionQuery{
+		config:     _q.config,
+		ctx:        _q.ctx.Clone(),
+		order:      append([]conversion.OrderOption{}, _q.order...),
+		inters:     append([]Interceptor{}, _q.inters...),
+		predicates: append([]predicate.Conversion{}, _q.predicates...),
+		// clone intermediate query.
+		sql:  _q.sql.Clone(),
+		path: _q.path,
+	}
+}
+
+// GroupBy is used to group vertices by one or more fields/columns.
+// It is often used with aggregate functions, like: count, max, mean, min, sum.
+//
+// Example:
+//
+//	var v []struct {
+//		Name string `json:"name,omitempty"`
+//		Count int `json:"count,omitempty"`
+//	}
+//
+//	client.Conversion.Query().
+//		GroupBy(conversion.FieldName).
+//		Aggregate(entv1.Count()).
+//		Scan(ctx, &v)
+func (_q *ConversionQuery) GroupBy(field string, fields ...string) *ConversionGroupBy {
+	_q.ctx.Fields = append([]string{field}, fields...)
+	grbuild := &ConversionGroupBy{build: _q}
+	grbuild.flds = &_q.ctx.Fields
+	grbuild.label = conversion.Label
+	grbuild.scan = grbuild.Scan
+	return grbuild
+}
+
+// Select allows the selection one or more fields/columns for the given query,
+// instead of selecting all fields in the entity.
+//
+// Example:
+//
+//	var v []struct {
+//		Name string `json:"name,omitempty"`
+//	}
+//
+//	client.Conversion.Query().
+//		Select(conversion.FieldName).
+//		Scan(ctx, &v)
+func (_q *ConversionQuery) Select(fields ...string) *ConversionSelect {
+	_q.ctx.Fields = append(_q.ctx.Fields, fields...)
+	sbuild := &ConversionSelect{ConversionQuery: _q}
+	sbuild.label = conversion.Label
+	sbuild.flds, sbuild.scan = &_q.ctx.Fields, sbuild.Scan
+	return sbuild
+}
+
+// Aggregate returns a ConversionSelect configured with the given aggregations.
+func (_q *ConversionQuery) Aggregate(fns ...AggregateFunc) *ConversionSelect {
+	return _q.Select().Aggregate(fns...)
+}
+
+func (_q *ConversionQuery) prepareQuery(ctx context.Context) error {
+	for _, inter := range _q.inters {
+		if inter == nil {
+			return fmt.Errorf("entv1: uninitialized interceptor (forgotten import entv1/runtime?)")
+		}
+		if trv, ok := inter.(Traverser); ok {
+			if err := trv.Traverse(ctx, _q); err != nil {
+				return err
+			}
+		}
+	}
+	for _, f := range _q.ctx.Fields {
+		if !conversion.ValidColumn(f) {
+			return &ValidationError{Name: f, err: fmt.Errorf("entv1: invalid field %q for query", f)}
+		}
+	}
+	if _q.path != nil {
+		prev, err := _q.path(ctx)
+		if err != nil {
+			return err
+		}
+		_q.sql = prev
+	}
+	return nil
+}
+
+func (_q *ConversionQuery) sqlAll(ctx context.Context, hooks ...queryHook) ([]*Conversion, error) {
+	var (
+		nodes = []*Conversion{}
+		_spec = _q.querySpec()
+	)
+	_spec.ScanValues = func(columns []string) ([]any, error) {
+		return (*Conversion).scanValues(nil, columns)
+	}
+	_spec.Assign = func(columns []string, values []any) error {
+		node := &Conversion{config: _q.config}
+		nodes = append(nodes, node)
+		return node.assignValues(columns, values)
+	}
+	for i := range hooks {
+		hooks[i](ctx, _spec)
+	}
+	if err := sqlgraph.QueryNodes(ctx, _q.driver, _spec); err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nodes, nil
+	}
+	return nodes, nil
+}
+
+func (_q *ConversionQuery) sqlCount(ctx context.Context) (int, error) {
+	_spec := _q.querySpec()
+	_spec.Node.Columns = _q.ctx.Fields
+	if len(_q.ctx.Fields) > 0 {
+		_spec.Unique = _q.ctx.Unique != nil && *_q.ctx.Unique
+	}
+	return sqlgraph.CountNodes(ctx, _q.driver, _spec)
+}
+
+func (_q *ConversionQuery) querySpec() *sqlgraph.QuerySpec {
+	_spec := sqlgraph.NewQuerySpec(conversion.Table, conversion.Columns, sqlgraph.NewFieldSpec(conversion.FieldID, field.TypeInt))
+	_spec.From = _q.sql
+	if unique := _q.ctx.Unique; unique != nil {
+		_spec.Unique = *unique
+	} else if _q.path != nil {
+		_spec.Unique = true
+	}
+	if fields := _q.ctx.Fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, conversion.FieldID)
+		for i := range fields {
+			if fields[i] != conversion.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, fields[i])
+			}
+		}
+	}
+	if ps := _q.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if limit := _q.ctx.Limit; limit != nil {
+		_spec.Limit = *limit
+	}
+	if offset := _q.ctx.Offset; offset != nil {
+		_spec.Offset = *offset
+	}
+	if ps := _q.order; len(ps) > 0 {
+		_spec.Order = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	return _spec
+}
+
+func (_q *ConversionQuery) sqlQuery(ctx context.Context) *sql.Selector {
+	builder := sql.Dialect(_q.driver.Dialect())
+	t1 := builder.Table(conversion.Table)
+	columns := _q.ctx.Fields
+	if len(columns) == 0 {
+		columns = conversion.Columns
+	}
+	selector := builder.Select(t1.Columns(columns...)...).From(t1)
+	if _q.sql != nil {
+		selector = _q.sql
+		selector.Select(selector.Columns(columns...)...)
+	}
+	if _q.ctx.Unique != nil && *_q.ctx.Unique {
+		selector.Distinct()
+	}
+	for _, p := range _q.predicates {
+		p(selector)
+	}
+	for _, p := range _q.order {
+		p(selector)
+	}
+	if offset := _q.ctx.Offset; offset != nil {
+		// limit is mandatory for offset clause. We start
+		// with default value, and override it below if needed.
+		selector.Offset(*offset).Limit(math.MaxInt32)
+	}
+	if limit := _q.ctx.Limit; limit != nil {
+		selector.Limit(*limit)
+	}
+	return selector
+}
+
+// ConversionGroupBy is the group-by builder for Conversion entities.
+type ConversionGroupBy struct {
+	selector
+	build *ConversionQuery
+}
+
+// Aggregate adds the given aggregation functions to the group-by query.
+func (_g *ConversionGroupBy) Aggregate(fns ...AggregateFunc) *ConversionGroupBy {
+	_g.fns = append(_g.fns, fns...)
+	return _g
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (_g *ConversionGroupBy) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, _g.build.ctx, ent.OpQueryGroupBy)
+	if err := _g.build.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*ConversionQuery, *ConversionGroupBy](ctx, _g.build, _g, _g.build.inters, v)
+}
+
+func (_g *ConversionGroupBy) sqlScan(ctx context.Context, root *ConversionQuery, v any) error {
+	selector := root.sqlQuery(ctx).Select()
+	aggregation := make([]string, 0, len(_g.fns))
+	for _, fn := range _g.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	if len(selector.SelectedColumns()) == 0 {
+		columns := make([]string, 0, len(*_g.flds)+len(_g.fns))
+		for _, f := range *_g.flds {
+			columns = append(columns, selector.C(f))
+		}
+		columns = append(columns, aggregation...)
+		selector.Select(columns...)
+	}
+	selector.GroupBy(selector.Columns(*_g.flds...)...)
+	if err := selector.Err(); err != nil {
+		return err
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := _g.build.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}
+
+// ConversionSelect is the builder for selecting fields of Conversion entities.
+type ConversionSelect struct {
+	*ConversionQuery
+	selector
+}
+
+// Aggregate adds the given aggregation functions to the selector query.
+func (_s *ConversionSelect) Aggregate(fns ...AggregateFunc) *ConversionSelect {
+	_s.fns = append(_s.fns, fns...)
+	return _s
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (_s *ConversionSelect) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, _s.ctx, ent.OpQuerySelect)
+	if err := _s.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*ConversionQuery, *ConversionSelect](ctx, _s.ConversionQuery, _s, _s.inters, v)
+}
+
+func (_s *ConversionSelect) sqlScan(ctx context.Context, root *ConversionQuery, v any) error {
+	selector := root.sqlQuery(ctx)
+	aggregation := make([]string, 0, len(_s.fns))
+	for _, fn := range _s.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	switch n := len(*_s.selector.flds); {
+	case n == 0 && len(aggregation) > 0:
+		selector.Select(aggregation...)
+	case n != 0 && len(aggregation) > 0:
+		selector.AppendSelect(aggregation...)
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := _s.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}

entc/integration/migrate/entv1/conversion_update.go

@@ -0,0 +1,807 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package entv1
+
+import (
+	"context"
+	"errors"
+	"fmt"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/entc/integration/migrate/entv1/conversion"
+	"entgo.io/ent/entc/integration/migrate/entv1/predicate"
+	"entgo.io/ent/schema/field"
+)
+
+// ConversionUpdate is the builder for updating Conversion entities.
+type ConversionUpdate struct {
+	config
+	hooks    []Hook
+	mutation *ConversionMutation
+}
+
+// Where appends a list predicates to the ConversionUpdate builder.
+func (_u *ConversionUpdate) Where(ps ...predicate.Conversion) *ConversionUpdate {
+	_u.mutation.Where(ps...)
+	return _u
+}
+
+// SetName sets the "name" field.
+func (_u *ConversionUpdate) SetName(v string) *ConversionUpdate {
+	_u.mutation.SetName(v)
+	return _u
+}
+
+// SetNillableName sets the "name" field if the given value is not nil.
+func (_u *ConversionUpdate) SetNillableName(v *string) *ConversionUpdate {
+	if v != nil {
+		_u.SetName(*v)
+	}
+	return _u
+}
+
+// ClearName clears the value of the "name" field.
+func (_u *ConversionUpdate) ClearName() *ConversionUpdate {
+	_u.mutation.ClearName()
+	return _u
+}
+
+// SetInt8ToString sets the "int8_to_string" field.
+func (_u *ConversionUpdate) SetInt8ToString(v int8) *ConversionUpdate {
+	_u.mutation.ResetInt8ToString()
+	_u.mutation.SetInt8ToString(v)
+	return _u
+}
+
+// SetNillableInt8ToString sets the "int8_to_string" field if the given value is not nil.
+func (_u *ConversionUpdate) SetNillableInt8ToString(v *int8) *ConversionUpdate {
+	if v != nil {
+		_u.SetInt8ToString(*v)
+	}
+	return _u
+}
+
+// AddInt8ToString adds value to the "int8_to_string" field.
+func (_u *ConversionUpdate) AddInt8ToString(v int8) *ConversionUpdate {
+	_u.mutation.AddInt8ToString(v)
+	return _u
+}
+
+// ClearInt8ToString clears the value of the "int8_to_string" field.
+func (_u *ConversionUpdate) ClearInt8ToString() *ConversionUpdate {
+	_u.mutation.ClearInt8ToString()
+	return _u
+}
+
+// SetUint8ToString sets the "uint8_to_string" field.
+func (_u *ConversionUpdate) SetUint8ToString(v uint8) *ConversionUpdate {
+	_u.mutation.ResetUint8ToString()
+	_u.mutation.SetUint8ToString(v)
+	return _u
+}
+
+// SetNillableUint8ToString sets the "uint8_to_string" field if the given value is not nil.
+func (_u *ConversionUpdate) SetNillableUint8ToString(v *uint8) *ConversionUpdate {
+	if v != nil {
+		_u.SetUint8ToString(*v)
+	}
+	return _u
+}
+
+// AddUint8ToString adds value to the "uint8_to_string" field.
+func (_u *ConversionUpdate) AddUint8ToString(v int8) *ConversionUpdate {
+	_u.mutation.AddUint8ToString(v)
+	return _u
+}
+
+// ClearUint8ToString clears the value of the "uint8_to_string" field.
+func (_u *ConversionUpdate) ClearUint8ToString() *ConversionUpdate {
+	_u.mutation.ClearUint8ToString()
+	return _u
+}
+
+// SetInt16ToString sets the "int16_to_string" field.
+func (_u *ConversionUpdate) SetInt16ToString(v int16) *ConversionUpdate {
+	_u.mutation.ResetInt16ToString()
+	_u.mutation.SetInt16ToString(v)
+	return _u
+}
+
+// SetNillableInt16ToString sets the "int16_to_string" field if the given value is not nil.
+func (_u *ConversionUpdate) SetNillableInt16ToString(v *int16) *ConversionUpdate {
+	if v != nil {
+		_u.SetInt16ToString(*v)
+	}
+	return _u
+}
+
+// AddInt16ToString adds value to the "int16_to_string" field.
+func (_u *ConversionUpdate) AddInt16ToString(v int16) *ConversionUpdate {
+	_u.mutation.AddInt16ToString(v)
+	return _u
+}
+
+// ClearInt16ToString clears the value of the "int16_to_string" field.
+func (_u *ConversionUpdate) ClearInt16ToString() *ConversionUpdate {
+	_u.mutation.ClearInt16ToString()
+	return _u
+}
+
+// SetUint16ToString sets the "uint16_to_string" field.
+func (_u *ConversionUpdate) SetUint16ToString(v uint16) *ConversionUpdate {
+	_u.mutation.ResetUint16ToString()
+	_u.mutation.SetUint16ToString(v)
+	return _u
+}
+
+// SetNillableUint16ToString sets the "uint16_to_string" field if the given value is not nil.
+func (_u *ConversionUpdate) SetNillableUint16ToString(v *uint16) *ConversionUpdate {
+	if v != nil {
+		_u.SetUint16ToString(*v)
+	}
+	return _u
+}
+
+// AddUint16ToString adds value to the "uint16_to_string" field.
+func (_u *ConversionUpdate) AddUint16ToString(v int16) *ConversionUpdate {
+	_u.mutation.AddUint16ToString(v)
+	return _u
+}
+
+// ClearUint16ToString clears the value of the "uint16_to_string" field.
+func (_u *ConversionUpdate) ClearUint16ToString() *ConversionUpdate {
+	_u.mutation.ClearUint16ToString()
+	return _u
+}
+
+// SetInt32ToString sets the "int32_to_string" field.
+func (_u *ConversionUpdate) SetInt32ToString(v int32) *ConversionUpdate {
+	_u.mutation.ResetInt32ToString()
+	_u.mutation.SetInt32ToString(v)
+	return _u
+}
+
+// SetNillableInt32ToString sets the "int32_to_string" field if the given value is not nil.
+func (_u *ConversionUpdate) SetNillableInt32ToString(v *int32) *ConversionUpdate {
+	if v != nil {
+		_u.SetInt32ToString(*v)
+	}
+	return _u
+}
+
+// AddInt32ToString adds value to the "int32_to_string" field.
+func (_u *ConversionUpdate) AddInt32ToString(v int32) *ConversionUpdate {
+	_u.mutation.AddInt32ToString(v)
+	return _u
+}
+
+// ClearInt32ToString clears the value of the "int32_to_string" field.
+func (_u *ConversionUpdate) ClearInt32ToString() *ConversionUpdate {
+	_u.mutation.ClearInt32ToString()
+	return _u
+}
+
+// SetUint32ToString sets the "uint32_to_string" field.
+func (_u *ConversionUpdate) SetUint32ToString(v uint32) *ConversionUpdate {
+	_u.mutation.ResetUint32ToString()
+	_u.mutation.SetUint32ToString(v)
+	return _u
+}
+
+// SetNillableUint32ToString sets the "uint32_to_string" field if the given value is not nil.
+func (_u *ConversionUpdate) SetNillableUint32ToString(v *uint32) *ConversionUpdate {
+	if v != nil {
+		_u.SetUint32ToString(*v)
+	}
+	return _u
+}
+
+// AddUint32ToString adds value to the "uint32_to_string" field.
+func (_u *ConversionUpdate) AddUint32ToString(v int32) *ConversionUpdate {
+	_u.mutation.AddUint32ToString(v)
+	return _u
+}
+
+// ClearUint32ToString clears the value of the "uint32_to_string" field.
+func (_u *ConversionUpdate) ClearUint32ToString() *ConversionUpdate {
+	_u.mutation.ClearUint32ToString()
+	return _u
+}
+
+// SetInt64ToString sets the "int64_to_string" field.
+func (_u *ConversionUpdate) SetInt64ToString(v int64) *ConversionUpdate {
+	_u.mutation.ResetInt64ToString()
+	_u.mutation.SetInt64ToString(v)
+	return _u
+}
+
+// SetNillableInt64ToString sets the "int64_to_string" field if the given value is not nil.
+func (_u *ConversionUpdate) SetNillableInt64ToString(v *int64) *ConversionUpdate {
+	if v != nil {
+		_u.SetInt64ToString(*v)
+	}
+	return _u
+}
+
+// AddInt64ToString adds value to the "int64_to_string" field.
+func (_u *ConversionUpdate) AddInt64ToString(v int64) *ConversionUpdate {
+	_u.mutation.AddInt64ToString(v)
+	return _u
+}
+
+// ClearInt64ToString clears the value of the "int64_to_string" field.
+func (_u *ConversionUpdate) ClearInt64ToString() *ConversionUpdate {
+	_u.mutation.ClearInt64ToString()
+	return _u
+}
+
+// SetUint64ToString sets the "uint64_to_string" field.
+func (_u *ConversionUpdate) SetUint64ToString(v uint64) *ConversionUpdate {
+	_u.mutation.ResetUint64ToString()
+	_u.mutation.SetUint64ToString(v)
+	return _u
+}
+
+// SetNillableUint64ToString sets the "uint64_to_string" field if the given value is not nil.
+func (_u *ConversionUpdate) SetNillableUint64ToString(v *uint64) *ConversionUpdate {
+	if v != nil {
+		_u.SetUint64ToString(*v)
+	}
+	return _u
+}
+
+// AddUint64ToString adds value to the "uint64_to_string" field.
+func (_u *ConversionUpdate) AddUint64ToString(v int64) *ConversionUpdate {
+	_u.mutation.AddUint64ToString(v)
+	return _u
+}
+
+// ClearUint64ToString clears the value of the "uint64_to_string" field.
+func (_u *ConversionUpdate) ClearUint64ToString() *ConversionUpdate {
+	_u.mutation.ClearUint64ToString()
+	return _u
+}
+
+// Mutation returns the ConversionMutation object of the builder.
+func (_u *ConversionUpdate) Mutation() *ConversionMutation {
+	return _u.mutation
+}
+
+// Save executes the query and returns the number of nodes affected by the update operation.
+func (_u *ConversionUpdate) Save(ctx context.Context) (int, error) {
+	return withHooks(ctx, _u.sqlSave, _u.mutation, _u.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (_u *ConversionUpdate) SaveX(ctx context.Context) int {
+	affected, err := _u.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return affected
+}
+
+// Exec executes the query.
+func (_u *ConversionUpdate) Exec(ctx context.Context) error {
+	_, err := _u.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_u *ConversionUpdate) ExecX(ctx context.Context) {
+	if err := _u.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+func (_u *ConversionUpdate) sqlSave(ctx context.Context) (_node int, err error) {
+	_spec := sqlgraph.NewUpdateSpec(conversion.Table, conversion.Columns, sqlgraph.NewFieldSpec(conversion.FieldID, field.TypeInt))
+	if ps := _u.mutation.Predicates(); len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if value, ok := _u.mutation.Name(); ok {
+		_spec.SetField(conversion.FieldName, field.TypeString, value)
+	}
+	if _u.mutation.NameCleared() {
+		_spec.ClearField(conversion.FieldName, field.TypeString)
+	}
+	if value, ok := _u.mutation.Int8ToString(); ok {
+		_spec.SetField(conversion.FieldInt8ToString, field.TypeInt8, value)
+	}
+	if value, ok := _u.mutation.AddedInt8ToString(); ok {
+		_spec.AddField(conversion.FieldInt8ToString, field.TypeInt8, value)
+	}
+	if _u.mutation.Int8ToStringCleared() {
+		_spec.ClearField(conversion.FieldInt8ToString, field.TypeInt8)
+	}
+	if value, ok := _u.mutation.Uint8ToString(); ok {
+		_spec.SetField(conversion.FieldUint8ToString, field.TypeUint8, value)
+	}
+	if value, ok := _u.mutation.AddedUint8ToString(); ok {
+		_spec.AddField(conversion.FieldUint8ToString, field.TypeUint8, value)
+	}
+	if _u.mutation.Uint8ToStringCleared() {
+		_spec.ClearField(conversion.FieldUint8ToString, field.TypeUint8)
+	}
+	if value, ok := _u.mutation.Int16ToString(); ok {
+		_spec.SetField(conversion.FieldInt16ToString, field.TypeInt16, value)
+	}
+	if value, ok := _u.mutation.AddedInt16ToString(); ok {
+		_spec.AddField(conversion.FieldInt16ToString, field.TypeInt16, value)
+	}
+	if _u.mutation.Int16ToStringCleared() {
+		_spec.ClearField(conversion.FieldInt16ToString, field.TypeInt16)
+	}
+	if value, ok := _u.mutation.Uint16ToString(); ok {
+		_spec.SetField(conversion.FieldUint16ToString, field.TypeUint16, value)
+	}
+	if value, ok := _u.mutation.AddedUint16ToString(); ok {
+		_spec.AddField(conversion.FieldUint16ToString, field.TypeUint16, value)
+	}
+	if _u.mutation.Uint16ToStringCleared() {
+		_spec.ClearField(conversion.FieldUint16ToString, field.TypeUint16)
+	}
+	if value, ok := _u.mutation.Int32ToString(); ok {
+		_spec.SetField(conversion.FieldInt32ToString, field.TypeInt32, value)
+	}
+	if value, ok := _u.mutation.AddedInt32ToString(); ok {
+		_spec.AddField(conversion.FieldInt32ToString, field.TypeInt32, value)
+	}
+	if _u.mutation.Int32ToStringCleared() {
+		_spec.ClearField(conversion.FieldInt32ToString, field.TypeInt32)
+	}
+	if value, ok := _u.mutation.Uint32ToString(); ok {
+		_spec.SetField(conversion.FieldUint32ToString, field.TypeUint32, value)
+	}
+	if value, ok := _u.mutation.AddedUint32ToString(); ok {
+		_spec.AddField(conversion.FieldUint32ToString, field.TypeUint32, value)
+	}
+	if _u.mutation.Uint32ToStringCleared() {
+		_spec.ClearField(conversion.FieldUint32ToString, field.TypeUint32)
+	}
+	if value, ok := _u.mutation.Int64ToString(); ok {
+		_spec.SetField(conversion.FieldInt64ToString, field.TypeInt64, value)
+	}
+	if value, ok := _u.mutation.AddedInt64ToString(); ok {
+		_spec.AddField(conversion.FieldInt64ToString, field.TypeInt64, value)
+	}
+	if _u.mutation.Int64ToStringCleared() {
+		_spec.ClearField(conversion.FieldInt64ToString, field.TypeInt64)
+	}
+	if value, ok := _u.mutation.Uint64ToString(); ok {
+		_spec.SetField(conversion.FieldUint64ToString, field.TypeUint64, value)
+	}
+	if value, ok := _u.mutation.AddedUint64ToString(); ok {
+		_spec.AddField(conversion.FieldUint64ToString, field.TypeUint64, value)
+	}
+	if _u.mutation.Uint64ToStringCleared() {
+		_spec.ClearField(conversion.FieldUint64ToString, field.TypeUint64)
+	}
+	if _node, err = sqlgraph.UpdateNodes(ctx, _u.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{conversion.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return 0, err
+	}
+	_u.mutation.done = true
+	return _node, nil
+}
+
+// ConversionUpdateOne is the builder for updating a single Conversion entity.
+type ConversionUpdateOne struct {
+	config
+	fields   []string
+	hooks    []Hook
+	mutation *ConversionMutation
+}
+
+// SetName sets the "name" field.
+func (_u *ConversionUpdateOne) SetName(v string) *ConversionUpdateOne {
+	_u.mutation.SetName(v)
+	return _u
+}
+
+// SetNillableName sets the "name" field if the given value is not nil.
+func (_u *ConversionUpdateOne) SetNillableName(v *string) *ConversionUpdateOne {
+	if v != nil {
+		_u.SetName(*v)
+	}
+	return _u
+}
+
+// ClearName clears the value of the "name" field.
+func (_u *ConversionUpdateOne) ClearName() *ConversionUpdateOne {
+	_u.mutation.ClearName()
+	return _u
+}
+
+// SetInt8ToString sets the "int8_to_string" field.
+func (_u *ConversionUpdateOne) SetInt8ToString(v int8) *ConversionUpdateOne {
+	_u.mutation.ResetInt8ToString()
+	_u.mutation.SetInt8ToString(v)
+	return _u
+}
+
+// SetNillableInt8ToString sets the "int8_to_string" field if the given value is not nil.
+func (_u *ConversionUpdateOne) SetNillableInt8ToString(v *int8) *ConversionUpdateOne {
+	if v != nil {
+		_u.SetInt8ToString(*v)
+	}
+	return _u
+}
+
+// AddInt8ToString adds value to the "int8_to_string" field.
+func (_u *ConversionUpdateOne) AddInt8ToString(v int8) *ConversionUpdateOne {
+	_u.mutation.AddInt8ToString(v)
+	return _u
+}
+
+// ClearInt8ToString clears the value of the "int8_to_string" field.
+func (_u *ConversionUpdateOne) ClearInt8ToString() *ConversionUpdateOne {
+	_u.mutation.ClearInt8ToString()
+	return _u
+}
+
+// SetUint8ToString sets the "uint8_to_string" field.
+func (_u *ConversionUpdateOne) SetUint8ToString(v uint8) *ConversionUpdateOne {
+	_u.mutation.ResetUint8ToString()
+	_u.mutation.SetUint8ToString(v)
+	return _u
+}
+
+// SetNillableUint8ToString sets the "uint8_to_string" field if the given value is not nil.
+func (_u *ConversionUpdateOne) SetNillableUint8ToString(v *uint8) *ConversionUpdateOne {
+	if v != nil {
+		_u.SetUint8ToString(*v)
+	}
+	return _u
+}
+
+// AddUint8ToString adds value to the "uint8_to_string" field.
+func (_u *ConversionUpdateOne) AddUint8ToString(v int8) *ConversionUpdateOne {
+	_u.mutation.AddUint8ToString(v)
+	return _u
+}
+
+// ClearUint8ToString clears the value of the "uint8_to_string" field.
+func (_u *ConversionUpdateOne) ClearUint8ToString() *ConversionUpdateOne {
+	_u.mutation.ClearUint8ToString()
+	return _u
+}
+
+// SetInt16ToString sets the "int16_to_string" field.
+func (_u *ConversionUpdateOne) SetInt16ToString(v int16) *ConversionUpdateOne {
+	_u.mutation.ResetInt16ToString()
+	_u.mutation.SetInt16ToString(v)
+	return _u
+}
+
+// SetNillableInt16ToString sets the "int16_to_string" field if the given value is not nil.
+func (_u *ConversionUpdateOne) SetNillableInt16ToString(v *int16) *ConversionUpdateOne {
+	if v != nil {
+		_u.SetInt16ToString(*v)
+	}
+	return _u
+}
+
+// AddInt16ToString adds value to the "int16_to_string" field.
+func (_u *ConversionUpdateOne) AddInt16ToString(v int16) *ConversionUpdateOne {
+	_u.mutation.AddInt16ToString(v)
+	return _u
+}
+
+// ClearInt16ToString clears the value of the "int16_to_string" field.
+func (_u *ConversionUpdateOne) ClearInt16ToString() *ConversionUpdateOne {
+	_u.mutation.ClearInt16ToString()
+	return _u
+}
+
+// SetUint16ToString sets the "uint16_to_string" field.
+func (_u *ConversionUpdateOne) SetUint16ToString(v uint16) *ConversionUpdateOne {
+	_u.mutation.ResetUint16ToString()
+	_u.mutation.SetUint16ToString(v)
+	return _u
+}
+
+// SetNillableUint16ToString sets the "uint16_to_string" field if the given value is not nil.
+func (_u *ConversionUpdateOne) SetNillableUint16ToString(v *uint16) *ConversionUpdateOne {
+	if v != nil {
+		_u.SetUint16ToString(*v)
+	}
+	return _u
+}
+
+// AddUint16ToString adds value to the "uint16_to_string" field.
+func (_u *ConversionUpdateOne) AddUint16ToString(v int16) *ConversionUpdateOne {
+	_u.mutation.AddUint16ToString(v)
+	return _u
+}
+
+// ClearUint16ToString clears the value of the "uint16_to_string" field.
+func (_u *ConversionUpdateOne) ClearUint16ToString() *ConversionUpdateOne {
+	_u.mutation.ClearUint16ToString()
+	return _u
+}
+
+// SetInt32ToString sets the "int32_to_string" field.
+func (_u *ConversionUpdateOne) SetInt32ToString(v int32) *ConversionUpdateOne {
+	_u.mutation.ResetInt32ToString()
+	_u.mutation.SetInt32ToString(v)
+	return _u
+}
+
+// SetNillableInt32ToString sets the "int32_to_string" field if the given value is not nil.
+func (_u *ConversionUpdateOne) SetNillableInt32ToString(v *int32) *ConversionUpdateOne {
+	if v != nil {
+		_u.SetInt32ToString(*v)
+	}
+	return _u
+}
+
+// AddInt32ToString adds value to the "int32_to_string" field.
+func (_u *ConversionUpdateOne) AddInt32ToString(v int32) *ConversionUpdateOne {
+	_u.mutation.AddInt32ToString(v)
+	return _u
+}
+
+// ClearInt32ToString clears the value of the "int32_to_string" field.
+func (_u *ConversionUpdateOne) ClearInt32ToString() *ConversionUpdateOne {
+	_u.mutation.ClearInt32ToString()
+	return _u
+}
+
+// SetUint32ToString sets the "uint32_to_string" field.
+func (_u *ConversionUpdateOne) SetUint32ToString(v uint32) *ConversionUpdateOne {
+	_u.mutation.ResetUint32ToString()
+	_u.mutation.SetUint32ToString(v)
+	return _u
+}
+
+// SetNillableUint32ToString sets the "uint32_to_string" field if the given value is not nil.
+func (_u *ConversionUpdateOne) SetNillableUint32ToString(v *uint32) *ConversionUpdateOne {
+	if v != nil {
+		_u.SetUint32ToString(*v)
+	}
+	return _u
+}
+
+// AddUint32ToString adds value to the "uint32_to_string" field.
+func (_u *ConversionUpdateOne) AddUint32ToString(v int32) *ConversionUpdateOne {
+	_u.mutation.AddUint32ToString(v)
+	return _u
+}
+
+// ClearUint32ToString clears the value of the "uint32_to_string" field.
+func (_u *ConversionUpdateOne) ClearUint32ToString() *ConversionUpdateOne {
+	_u.mutation.ClearUint32ToString()
+	return _u
+}
+
+// SetInt64ToString sets the "int64_to_string" field.
+func (_u *ConversionUpdateOne) SetInt64ToString(v int64) *ConversionUpdateOne {
+	_u.mutation.ResetInt64ToString()
+	_u.mutation.SetInt64ToString(v)
+	return _u
+}
+
+// SetNillableInt64ToString sets the "int64_to_string" field if the given value is not nil.
+func (_u *ConversionUpdateOne) SetNillableInt64ToString(v *int64) *ConversionUpdateOne {
+	if v != nil {
+		_u.SetInt64ToString(*v)
+	}
+	return _u
+}
+
+// AddInt64ToString adds value to the "int64_to_string" field.
+func (_u *ConversionUpdateOne) AddInt64ToString(v int64) *ConversionUpdateOne {
+	_u.mutation.AddInt64ToString(v)
+	return _u
+}
+
+// ClearInt64ToString clears the value of the "int64_to_string" field.
+func (_u *ConversionUpdateOne) ClearInt64ToString() *ConversionUpdateOne {
+	_u.mutation.ClearInt64ToString()
+	return _u
+}
+
+// SetUint64ToString sets the "uint64_to_string" field.
+func (_u *ConversionUpdateOne) SetUint64ToString(v uint64) *ConversionUpdateOne {
+	_u.mutation.ResetUint64ToString()
+	_u.mutation.SetUint64ToString(v)
+	return _u
+}
+
+// SetNillableUint64ToString sets the "uint64_to_string" field if the given value is not nil.
+func (_u *ConversionUpdateOne) SetNillableUint64ToString(v *uint64) *ConversionUpdateOne {
+	if v != nil {
+		_u.SetUint64ToString(*v)
+	}
+	return _u
+}
+
+// AddUint64ToString adds value to the "uint64_to_string" field.
+func (_u *ConversionUpdateOne) AddUint64ToString(v int64) *ConversionUpdateOne {
+	_u.mutation.AddUint64ToString(v)
+	return _u
+}
+
+// ClearUint64ToString clears the value of the "uint64_to_string" field.
+func (_u *ConversionUpdateOne) ClearUint64ToString() *ConversionUpdateOne {
+	_u.mutation.ClearUint64ToString()
+	return _u
+}
+
+// Mutation returns the ConversionMutation object of the builder.
+func (_u *ConversionUpdateOne) Mutation() *ConversionMutation {
+	return _u.mutation
+}
+
+// Where appends a list predicates to the ConversionUpdate builder.
+func (_u *ConversionUpdateOne) Where(ps ...predicate.Conversion) *ConversionUpdateOne {
+	_u.mutation.Where(ps...)
+	return _u
+}
+
+// Select allows selecting one or more fields (columns) of the returned entity.
+// The default is selecting all fields defined in the entity schema.
+func (_u *ConversionUpdateOne) Select(field string, fields ...string) *ConversionUpdateOne {
+	_u.fields = append([]string{field}, fields...)
+	return _u
+}
+
+// Save executes the query and returns the updated Conversion entity.
+func (_u *ConversionUpdateOne) Save(ctx context.Context) (*Conversion, error) {
+	return withHooks(ctx, _u.sqlSave, _u.mutation, _u.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (_u *ConversionUpdateOne) SaveX(ctx context.Context) *Conversion {
+	node, err := _u.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// Exec executes the query on the entity.
+func (_u *ConversionUpdateOne) Exec(ctx context.Context) error {
+	_, err := _u.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_u *ConversionUpdateOne) ExecX(ctx context.Context) {
+	if err := _u.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+func (_u *ConversionUpdateOne) sqlSave(ctx context.Context) (_node *Conversion, err error) {
+	_spec := sqlgraph.NewUpdateSpec(conversion.Table, conversion.Columns, sqlgraph.NewFieldSpec(conversion.FieldID, field.TypeInt))
+	id, ok := _u.mutation.ID()
+	if !ok {
+		return nil, &ValidationError{Name: "id", err: errors.New(`entv1: missing "Conversion.id" for update`)}
+	}
+	_spec.Node.ID.Value = id
+	if fields := _u.fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, conversion.FieldID)
+		for _, f := range fields {
+			if !conversion.ValidColumn(f) {
+				return nil, &ValidationError{Name: f, err: fmt.Errorf("entv1: invalid field %q for query", f)}
+			}
+			if f != conversion.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, f)
+			}
+		}
+	}
+	if ps := _u.mutation.Predicates(); len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if value, ok := _u.mutation.Name(); ok {
+		_spec.SetField(conversion.FieldName, field.TypeString, value)
+	}
+	if _u.mutation.NameCleared() {
+		_spec.ClearField(conversion.FieldName, field.TypeString)
+	}
+	if value, ok := _u.mutation.Int8ToString(); ok {
+		_spec.SetField(conversion.FieldInt8ToString, field.TypeInt8, value)
+	}
+	if value, ok := _u.mutation.AddedInt8ToString(); ok {
+		_spec.AddField(conversion.FieldInt8ToString, field.TypeInt8, value)
+	}
+	if _u.mutation.Int8ToStringCleared() {
+		_spec.ClearField(conversion.FieldInt8ToString, field.TypeInt8)
+	}
+	if value, ok := _u.mutation.Uint8ToString(); ok {
+		_spec.SetField(conversion.FieldUint8ToString, field.TypeUint8, value)
+	}
+	if value, ok := _u.mutation.AddedUint8ToString(); ok {
+		_spec.AddField(conversion.FieldUint8ToString, field.TypeUint8, value)
+	}
+	if _u.mutation.Uint8ToStringCleared() {
+		_spec.ClearField(conversion.FieldUint8ToString, field.TypeUint8)
+	}
+	if value, ok := _u.mutation.Int16ToString(); ok {
+		_spec.SetField(conversion.FieldInt16ToString, field.TypeInt16, value)
+	}
+	if value, ok := _u.mutation.AddedInt16ToString(); ok {
+		_spec.AddField(conversion.FieldInt16ToString, field.TypeInt16, value)
+	}
+	if _u.mutation.Int16ToStringCleared() {
+		_spec.ClearField(conversion.FieldInt16ToString, field.TypeInt16)
+	}
+	if value, ok := _u.mutation.Uint16ToString(); ok {
+		_spec.SetField(conversion.FieldUint16ToString, field.TypeUint16, value)
+	}
+	if value, ok := _u.mutation.AddedUint16ToString(); ok {
+		_spec.AddField(conversion.FieldUint16ToString, field.TypeUint16, value)
+	}
+	if _u.mutation.Uint16ToStringCleared() {
+		_spec.ClearField(conversion.FieldUint16ToString, field.TypeUint16)
+	}
+	if value, ok := _u.mutation.Int32ToString(); ok {
+		_spec.SetField(conversion.FieldInt32ToString, field.TypeInt32, value)
+	}
+	if value, ok := _u.mutation.AddedInt32ToString(); ok {
+		_spec.AddField(conversion.FieldInt32ToString, field.TypeInt32, value)
+	}
+	if _u.mutation.Int32ToStringCleared() {
+		_spec.ClearField(conversion.FieldInt32ToString, field.TypeInt32)
+	}
+	if value, ok := _u.mutation.Uint32ToString(); ok {
+		_spec.SetField(conversion.FieldUint32ToString, field.TypeUint32, value)
+	}
+	if value, ok := _u.mutation.AddedUint32ToString(); ok {
+		_spec.AddField(conversion.FieldUint32ToString, field.TypeUint32, value)
+	}
+	if _u.mutation.Uint32ToStringCleared() {
+		_spec.ClearField(conversion.FieldUint32ToString, field.TypeUint32)
+	}
+	if value, ok := _u.mutation.Int64ToString(); ok {
+		_spec.SetField(conversion.FieldInt64ToString, field.TypeInt64, value)
+	}
+	if value, ok := _u.mutation.AddedInt64ToString(); ok {
+		_spec.AddField(conversion.FieldInt64ToString, field.TypeInt64, value)
+	}
+	if _u.mutation.Int64ToStringCleared() {
+		_spec.ClearField(conversion.FieldInt64ToString, field.TypeInt64)
+	}
+	if value, ok := _u.mutation.Uint64ToString(); ok {
+		_spec.SetField(conversion.FieldUint64ToString, field.TypeUint64, value)
+	}
+	if value, ok := _u.mutation.AddedUint64ToString(); ok {
+		_spec.AddField(conversion.FieldUint64ToString, field.TypeUint64, value)
+	}
+	if _u.mutation.Uint64ToStringCleared() {
+		_spec.ClearField(conversion.FieldUint64ToString, field.TypeUint64)
+	}
+	_node = &Conversion{config: _u.config}
+	_spec.Assign = _node.assignValues
+	_spec.ScanValues = _node.scanValues
+	if err = sqlgraph.UpdateNode(ctx, _u.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{conversion.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	_u.mutation.done = true
+	return _node, nil
+}

entc/integration/migrate/entv1/customtype.go

@@ -0,0 +1,107 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package entv1
+
+import (
+	"fmt"
+	"strings"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/entc/integration/migrate/entv1/customtype"
+)
+
+// CustomType is the model entity for the CustomType schema.
+type CustomType struct {
+	config `json:"-"`
+	// ID of the ent.
+	ID int `json:"id,omitempty"`
+	// Custom holds the value of the "custom" field.
+	Custom       string `json:"custom,omitempty"`
+	selectValues sql.SelectValues
+}
+
+// scanValues returns the types for scanning values from sql.Rows.
+func (*CustomType) scanValues(columns []string) ([]any, error) {
+	values := make([]any, len(columns))
+	for i := range columns {
+		switch columns[i] {
+		case customtype.FieldID:
+			values[i] = new(sql.NullInt64)
+		case customtype.FieldCustom:
+			values[i] = new(sql.NullString)
+		default:
+			values[i] = new(sql.UnknownType)
+		}
+	}
+	return values, nil
+}
+
+// assignValues assigns the values that were returned from sql.Rows (after scanning)
+// to the CustomType fields.
+func (_m *CustomType) assignValues(columns []string, values []any) error {
+	if m, n := len(values), len(columns); m < n {
+		return fmt.Errorf("mismatch number of scan values: %d != %d", m, n)
+	}
+	for i := range columns {
+		switch columns[i] {
+		case customtype.FieldID:
+			value, ok := values[i].(*sql.NullInt64)
+			if !ok {
+				return fmt.Errorf("unexpected type %T for field id", value)
+			}
+			_m.ID = int(value.Int64)
+		case customtype.FieldCustom:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field custom", values[i])
+			} else if value.Valid {
+				_m.Custom = value.String
+			}
+		default:
+			_m.selectValues.Set(columns[i], values[i])
+		}
+	}
+	return nil
+}
+
+// Value returns the ent.Value that was dynamically selected and assigned to the CustomType.
+// This includes values selected through modifiers, order, etc.
+func (_m *CustomType) Value(name string) (ent.Value, error) {
+	return _m.selectValues.Get(name)
+}
+
+// Update returns a builder for updating this CustomType.
+// Note that you need to call CustomType.Unwrap() before calling this method if this CustomType
+// was returned from a transaction, and the transaction was committed or rolled back.
+func (_m *CustomType) Update() *CustomTypeUpdateOne {
+	return NewCustomTypeClient(_m.config).UpdateOne(_m)
+}
+
+// Unwrap unwraps the CustomType entity that was returned from a transaction after it was closed,
+// so that all future queries will be executed through the driver which created the transaction.
+func (_m *CustomType) Unwrap() *CustomType {
+	_tx, ok := _m.config.driver.(*txDriver)
+	if !ok {
+		panic("entv1: CustomType is not a transactional entity")
+	}
+	_m.config.driver = _tx.drv
+	return _m
+}
+
+// String implements the fmt.Stringer.
+func (_m *CustomType) String() string {
+	var builder strings.Builder
+	builder.WriteString("CustomType(")
+	builder.WriteString(fmt.Sprintf("id=%v, ", _m.ID))
+	builder.WriteString("custom=")
+	builder.WriteString(_m.Custom)
+	builder.WriteByte(')')
+	return builder.String()
+}
+
+// CustomTypes is a parsable slice of CustomType.
+type CustomTypes []*CustomType

entc/integration/migrate/entv1/customtype/customtype.go

@@ -0,0 +1,51 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package customtype
+
+import (
+	"entgo.io/ent/dialect/sql"
+)
+
+const (
+	// Label holds the string label denoting the customtype type in the database.
+	Label = "custom_type"
+	// FieldID holds the string denoting the id field in the database.
+	FieldID = "id"
+	// FieldCustom holds the string denoting the custom field in the database.
+	FieldCustom = "custom"
+	// Table holds the table name of the customtype in the database.
+	Table = "custom_types"
+)
+
+// Columns holds all SQL columns for customtype fields.
+var Columns = []string{
+	FieldID,
+	FieldCustom,
+}
+
+// ValidColumn reports if the column name is valid (part of the table columns).
+func ValidColumn(column string) bool {
+	for i := range Columns {
+		if column == Columns[i] {
+			return true
+		}
+	}
+	return false
+}
+
+// OrderOption defines the ordering options for the CustomType queries.
+type OrderOption func(*sql.Selector)
+
+// ByID orders the results by the id field.
+func ByID(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldID, opts...).ToFunc()
+}
+
+// ByCustom orders the results by the custom field.
+func ByCustom(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldCustom, opts...).ToFunc()
+}

entc/integration/migrate/entv1/customtype/mutation.go

@@ -0,0 +1,255 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package customtype
+
+import (
+	"context"
+	"fmt"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/entc/integration/migrate/entv1/predicate"
+)
+
+// Mutation represents an operation that mutates the CustomType nodes in the graph.
+type Mutation struct {
+	op            ent.Op
+	typ           string
+	custom        *string
+	clearedFields map[string]struct{}
+	predicates    []predicate.CustomType
+}
+
+// NewMutation creates a new Mutation for the CustomType entity.
+func NewMutation(op ent.Op) *Mutation {
+	return &Mutation{
+		op:            op,
+		typ:           "CustomType",
+		clearedFields: make(map[string]struct{}),
+	}
+}
+
+// Predicates returns the list of predicates set on the mutation.
+func (m *Mutation) Predicates() []predicate.CustomType {
+	return m.predicates
+}
+
+// SetCustom sets the "custom" field.
+func (m *Mutation) SetCustom(s string) {
+	m.custom = &s
+}
+
+// Custom returns the value of the "custom" field in the mutation.
+func (m *Mutation) Custom() (r string, exists bool) {
+	v := m.custom
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// ClearCustom clears the value of the "custom" field.
+func (m *Mutation) ClearCustom() {
+	m.custom = nil
+	m.clearedFields[FieldCustom] = struct{}{}
+}
+
+// CustomCleared returns if the "custom" field was cleared in this mutation.
+func (m *Mutation) CustomCleared() bool {
+	_, ok := m.clearedFields[FieldCustom]
+	return ok
+}
+
+// ResetCustom resets all changes to the "custom" field.
+func (m *Mutation) ResetCustom() {
+	m.custom = nil
+	delete(m.clearedFields, FieldCustom)
+}
+
+// Where appends a list predicates to the Mutation builder.
+func (m *Mutation) Where(ps ...predicate.CustomType) {
+	m.predicates = append(m.predicates, ps...)
+}
+
+// WhereP appends storage-level predicates to the Mutation builder. Using this method,
+// users can use type-assertion to append predicates that do not depend on any generated package.
+func (m *Mutation) WhereP(ps ...func(*sql.Selector)) {
+	p := make([]predicate.CustomType, len(ps))
+	for i := range ps {
+		p[i] = ps[i]
+	}
+	m.Where(p...)
+}
+
+// Op returns the operation name.
+func (m *Mutation) Op() ent.Op {
+	return m.op
+}
+
+// SetOp allows setting the mutation operation.
+func (m *Mutation) SetOp(op ent.Op) {
+	m.op = op
+}
+
+// Type returns the node type of this mutation (CustomType).
+func (m *Mutation) Type() string {
+	return m.typ
+}
+
+// Fields returns all fields that were changed during this mutation. Note that in
+// order to get all numeric fields that were incremented/decremented, call
+// AddedFields().
+func (m *Mutation) Fields() []string {
+	fields := make([]string, 0, 1)
+	if m.custom != nil {
+		fields = append(fields, FieldCustom)
+	}
+	return fields
+}
+
+// Field returns the value of a field with the given name. The second boolean
+// return value indicates that this field was not set, or was not defined in the
+// schema.
+func (m *Mutation) Field(name string) (ent.Value, bool) {
+	switch name {
+	case FieldCustom:
+		return m.Custom()
+	}
+	return nil, false
+}
+
+// OldField returns the old value of the field from the database. An error is
+// returned if the mutation operation is not UpdateOne, or the query to the
+// database failed.
+func (m *Mutation) OldField(ctx context.Context, name string) (ent.Value, error) {
+	return nil, fmt.Errorf("unknown CustomType field %s", name)
+}
+
+// SetField sets the value of a field with the given name. It returns an error if
+// the field is not defined in the schema, or if the type mismatched the field
+// type.
+func (m *Mutation) SetField(name string, value ent.Value) error {
+	switch name {
+	case FieldCustom:
+		v, ok := value.(string)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetCustom(v)
+		return nil
+	}
+	return fmt.Errorf("unknown CustomType field %s", name)
+}
+
+// AddedFields returns all numeric fields that were incremented/decremented during
+// this mutation.
+func (m *Mutation) AddedFields() []string {
+	return nil
+}
+
+// AddedField returns the numeric value that was incremented/decremented on a field
+// with the given name. The second boolean return value indicates that this field
+// was not set, or was not defined in the schema.
+func (m *Mutation) AddedField(name string) (ent.Value, bool) {
+	return nil, false
+}
+
+// AddField adds the value to the field with the given name. It returns an error if
+// the field is not defined in the schema, or if the type mismatched the field
+// type.
+func (m *Mutation) AddField(name string, value ent.Value) error {
+	switch name {
+	}
+	return fmt.Errorf("unknown CustomType numeric field %s", name)
+}
+
+// ClearedFields returns all nullable fields that were cleared during this
+// mutation.
+func (m *Mutation) ClearedFields() []string {
+	var fields []string
+	if m.FieldCleared(FieldCustom) {
+		fields = append(fields, FieldCustom)
+	}
+	return fields
+}
+
+// FieldCleared returns a boolean indicating if a field with the given name was
+// cleared in this mutation.
+func (m *Mutation) FieldCleared(name string) bool {
+	_, ok := m.clearedFields[name]
+	return ok
+}
+
+// ClearField clears the value of the field with the given name. It returns an
+// error if the field is not defined in the schema.
+func (m *Mutation) ClearField(name string) error {
+	switch name {
+	case FieldCustom:
+		m.ClearCustom()
+		return nil
+	}
+	return fmt.Errorf("unknown CustomType nullable field %s", name)
+}
+
+// ResetField resets all changes in the mutation for the field with the given name.
+// It returns an error if the field is not defined in the schema.
+func (m *Mutation) ResetField(name string) error {
+	switch name {
+	case FieldCustom:
+		m.ResetCustom()
+		return nil
+	}
+	return fmt.Errorf("unknown CustomType field %s", name)
+}
+
+// AddedEdges returns all edge names that were set/added in this mutation.
+func (m *Mutation) AddedEdges() []string {
+	edges := make([]string, 0, 0)
+	return edges
+}
+
+// AddedIDs returns all IDs (to other nodes) that were added for the given edge
+// name in this mutation.
+func (m *Mutation) AddedIDs(name string) []ent.Value {
+	return nil
+}
+
+// RemovedEdges returns all edge names that were removed in this mutation.
+func (m *Mutation) RemovedEdges() []string {
+	edges := make([]string, 0, 0)
+	return edges
+}
+
+// RemovedIDs returns all IDs (to other nodes) that were removed for the edge with
+// the given name in this mutation.
+func (m *Mutation) RemovedIDs(name string) []ent.Value {
+	return nil
+}
+
+// ClearedEdges returns all edge names that were cleared in this mutation.
+func (m *Mutation) ClearedEdges() []string {
+	edges := make([]string, 0, 0)
+	return edges
+}
+
+// EdgeCleared returns a boolean which indicates if the edge with the given name
+// was cleared in this mutation.
+func (m *Mutation) EdgeCleared(name string) bool {
+	return false
+}
+
+// ClearEdge clears the value of the edge with the given name. It returns an error
+// if that edge is not defined in the schema.
+func (m *Mutation) ClearEdge(name string) error {
+	return fmt.Errorf("unknown CustomType unique edge %s", name)
+}
+
+// ResetEdge resets all changes to the edge with the given name in this mutation.
+// It returns an error if the edge is not defined in the schema.
+func (m *Mutation) ResetEdge(name string) error {
+	return fmt.Errorf("unknown CustomType edge %s", name)
+}

entc/integration/migrate/entv1/customtype/where.go

@@ -0,0 +1,152 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package customtype
+
+import (
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/entc/integration/migrate/entv1/predicate"
+)
+
+// ID filters vertices based on their ID field.
+func ID(id int) predicate.CustomType {
+	return predicate.CustomType(sql.FieldEQ(FieldID, id))
+}
+
+// IDEQ applies the EQ predicate on the ID field.
+func IDEQ(id int) predicate.CustomType {
+	return predicate.CustomType(sql.FieldEQ(FieldID, id))
+}
+
+// IDNEQ applies the NEQ predicate on the ID field.
+func IDNEQ(id int) predicate.CustomType {
+	return predicate.CustomType(sql.FieldNEQ(FieldID, id))
+}
+
+// IDIn applies the In predicate on the ID field.
+func IDIn(ids ...int) predicate.CustomType {
+	return predicate.CustomType(sql.FieldIn(FieldID, ids...))
+}
+
+// IDNotIn applies the NotIn predicate on the ID field.
+func IDNotIn(ids ...int) predicate.CustomType {
+	return predicate.CustomType(sql.FieldNotIn(FieldID, ids...))
+}
+
+// IDGT applies the GT predicate on the ID field.
+func IDGT(id int) predicate.CustomType {
+	return predicate.CustomType(sql.FieldGT(FieldID, id))
+}
+
+// IDGTE applies the GTE predicate on the ID field.
+func IDGTE(id int) predicate.CustomType {
+	return predicate.CustomType(sql.FieldGTE(FieldID, id))
+}
+
+// IDLT applies the LT predicate on the ID field.
+func IDLT(id int) predicate.CustomType {
+	return predicate.CustomType(sql.FieldLT(FieldID, id))
+}
+
+// IDLTE applies the LTE predicate on the ID field.
+func IDLTE(id int) predicate.CustomType {
+	return predicate.CustomType(sql.FieldLTE(FieldID, id))
+}
+
+// Custom applies equality check predicate on the "custom" field. It's identical to CustomEQ.
+func Custom(v string) predicate.CustomType {
+	return predicate.CustomType(sql.FieldEQ(FieldCustom, v))
+}
+
+// CustomEQ applies the EQ predicate on the "custom" field.
+func CustomEQ(v string) predicate.CustomType {
+	return predicate.CustomType(sql.FieldEQ(FieldCustom, v))
+}
+
+// CustomNEQ applies the NEQ predicate on the "custom" field.
+func CustomNEQ(v string) predicate.CustomType {
+	return predicate.CustomType(sql.FieldNEQ(FieldCustom, v))
+}
+
+// CustomIn applies the In predicate on the "custom" field.
+func CustomIn(vs ...string) predicate.CustomType {
+	return predicate.CustomType(sql.FieldIn(FieldCustom, vs...))
+}
+
+// CustomNotIn applies the NotIn predicate on the "custom" field.
+func CustomNotIn(vs ...string) predicate.CustomType {
+	return predicate.CustomType(sql.FieldNotIn(FieldCustom, vs...))
+}
+
+// CustomGT applies the GT predicate on the "custom" field.
+func CustomGT(v string) predicate.CustomType {
+	return predicate.CustomType(sql.FieldGT(FieldCustom, v))
+}
+
+// CustomGTE applies the GTE predicate on the "custom" field.
+func CustomGTE(v string) predicate.CustomType {
+	return predicate.CustomType(sql.FieldGTE(FieldCustom, v))
+}
+
+// CustomLT applies the LT predicate on the "custom" field.
+func CustomLT(v string) predicate.CustomType {
+	return predicate.CustomType(sql.FieldLT(FieldCustom, v))
+}
+
+// CustomLTE applies the LTE predicate on the "custom" field.
+func CustomLTE(v string) predicate.CustomType {
+	return predicate.CustomType(sql.FieldLTE(FieldCustom, v))
+}
+
+// CustomContains applies the Contains predicate on the "custom" field.
+func CustomContains(v string) predicate.CustomType {
+	return predicate.CustomType(sql.FieldContains(FieldCustom, v))
+}
+
+// CustomHasPrefix applies the HasPrefix predicate on the "custom" field.
+func CustomHasPrefix(v string) predicate.CustomType {
+	return predicate.CustomType(sql.FieldHasPrefix(FieldCustom, v))
+}
+
+// CustomHasSuffix applies the HasSuffix predicate on the "custom" field.
+func CustomHasSuffix(v string) predicate.CustomType {
+	return predicate.CustomType(sql.FieldHasSuffix(FieldCustom, v))
+}
+
+// CustomIsNil applies the IsNil predicate on the "custom" field.
+func CustomIsNil() predicate.CustomType {
+	return predicate.CustomType(sql.FieldIsNull(FieldCustom))
+}
+
+// CustomNotNil applies the NotNil predicate on the "custom" field.
+func CustomNotNil() predicate.CustomType {
+	return predicate.CustomType(sql.FieldNotNull(FieldCustom))
+}
+
+// CustomEqualFold applies the EqualFold predicate on the "custom" field.
+func CustomEqualFold(v string) predicate.CustomType {
+	return predicate.CustomType(sql.FieldEqualFold(FieldCustom, v))
+}
+
+// CustomContainsFold applies the ContainsFold predicate on the "custom" field.
+func CustomContainsFold(v string) predicate.CustomType {
+	return predicate.CustomType(sql.FieldContainsFold(FieldCustom, v))
+}
+
+// And groups predicates with the AND operator between them.
+func And(predicates ...predicate.CustomType) predicate.CustomType {
+	return predicate.CustomType(sql.AndPredicates(predicates...))
+}
+
+// Or groups predicates with the OR operator between them.
+func Or(predicates ...predicate.CustomType) predicate.CustomType {
+	return predicate.CustomType(sql.OrPredicates(predicates...))
+}
+
+// Not applies the not operator on the given predicate.
+func Not(p predicate.CustomType) predicate.CustomType {
+	return predicate.CustomType(sql.NotPredicates(p))
+}

entc/integration/migrate/entv1/customtype_create.go

@@ -0,0 +1,191 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package entv1
+
+import (
+	"context"
+	"fmt"
+
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/entc/integration/migrate/entv1/customtype"
+	"entgo.io/ent/schema/field"
+)
+
+// CustomTypeCreate is the builder for creating a CustomType entity.
+type CustomTypeCreate struct {
+	config
+	mutation *CustomTypeMutation
+	hooks    []Hook
+}
+
+// SetCustom sets the "custom" field.
+func (_c *CustomTypeCreate) SetCustom(v string) *CustomTypeCreate {
+	_c.mutation.SetCustom(v)
+	return _c
+}
+
+// SetNillableCustom sets the "custom" field if the given value is not nil.
+func (_c *CustomTypeCreate) SetNillableCustom(v *string) *CustomTypeCreate {
+	if v != nil {
+		_c.SetCustom(*v)
+	}
+	return _c
+}
+
+// Mutation returns the CustomTypeMutation object of the builder.
+func (_c *CustomTypeCreate) Mutation() *CustomTypeMutation {
+	return _c.mutation
+}
+
+// Save creates the CustomType in the database.
+func (_c *CustomTypeCreate) Save(ctx context.Context) (*CustomType, error) {
+	return withHooks(ctx, _c.sqlSave, _c.mutation, _c.hooks)
+}
+
+// SaveX calls Save and panics if Save returns an error.
+func (_c *CustomTypeCreate) SaveX(ctx context.Context) *CustomType {
+	v, err := _c.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (_c *CustomTypeCreate) Exec(ctx context.Context) error {
+	_, err := _c.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_c *CustomTypeCreate) ExecX(ctx context.Context) {
+	if err := _c.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// check runs all checks and user-defined validators on the builder.
+func (_c *CustomTypeCreate) check() error {
+	return nil
+}
+
+func (_c *CustomTypeCreate) sqlSave(ctx context.Context) (*CustomType, error) {
+	if err := _c.check(); err != nil {
+		return nil, err
+	}
+	_node, _spec := _c.createSpec()
+	if err := sqlgraph.CreateNode(ctx, _c.driver, _spec); err != nil {
+		if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	id := _spec.ID.Value.(int64)
+	_node.ID = int(id)
+	_c.mutation.id = &_node.ID
+	_c.mutation.done = true
+	return _node, nil
+}
+
+func (_c *CustomTypeCreate) createSpec() (*CustomType, *sqlgraph.CreateSpec) {
+	var (
+		_node = &CustomType{config: _c.config}
+		_spec = sqlgraph.NewCreateSpec(customtype.Table, sqlgraph.NewFieldSpec(customtype.FieldID, field.TypeInt))
+	)
+	if value, ok := _c.mutation.Custom(); ok {
+		_spec.SetField(customtype.FieldCustom, field.TypeString, value)
+		_node.Custom = value
+	}
+	return _node, _spec
+}
+
+// CustomTypeCreateBulk is the builder for creating many CustomType entities in bulk.
+type CustomTypeCreateBulk struct {
+	config
+	err      error
+	builders []*CustomTypeCreate
+}
+
+// Save creates the CustomType entities in the database.
+func (_c *CustomTypeCreateBulk) Save(ctx context.Context) ([]*CustomType, error) {
+	if _c.err != nil {
+		return nil, _c.err
+	}
+	specs := make([]*sqlgraph.CreateSpec, len(_c.builders))
+	nodes := make([]*CustomType, len(_c.builders))
+	mutators := make([]Mutator, len(_c.builders))
+	for i := range _c.builders {
+		func(i int, root context.Context) {
+			builder := _c.builders[i]
+			var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
+				mutation, ok := m.(*CustomTypeMutation)
+				if !ok {
+					return nil, fmt.Errorf("unexpected mutation type %T", m)
+				}
+				if err := builder.check(); err != nil {
+					return nil, err
+				}
+				builder.mutation = mutation
+				var err error
+				nodes[i], specs[i] = builder.createSpec()
+				if i < len(mutators)-1 {
+					_, err = mutators[i+1].Mutate(root, _c.builders[i+1].mutation)
+				} else {
+					spec := &sqlgraph.BatchCreateSpec{Nodes: specs}
+					// Invoke the actual operation on the latest mutation in the chain.
+					if err = sqlgraph.BatchCreate(ctx, _c.driver, spec); err != nil {
+						if sqlgraph.IsConstraintError(err) {
+							err = &ConstraintError{msg: err.Error(), wrap: err}
+						}
+					}
+				}
+				if err != nil {
+					return nil, err
+				}
+				mutation.id = &nodes[i].ID
+				if specs[i].ID.Value != nil {
+					id := specs[i].ID.Value.(int64)
+					nodes[i].ID = int(id)
+				}
+				mutation.done = true
+				return nodes[i], nil
+			})
+			for i := len(builder.hooks) - 1; i >= 0; i-- {
+				mut = builder.hooks[i](mut)
+			}
+			mutators[i] = mut
+		}(i, ctx)
+	}
+	if len(mutators) > 0 {
+		if _, err := mutators[0].Mutate(ctx, _c.builders[0].mutation); err != nil {
+			return nil, err
+		}
+	}
+	return nodes, nil
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (_c *CustomTypeCreateBulk) SaveX(ctx context.Context) []*CustomType {
+	v, err := _c.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (_c *CustomTypeCreateBulk) Exec(ctx context.Context) error {
+	_, err := _c.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_c *CustomTypeCreateBulk) ExecX(ctx context.Context) {
+	if err := _c.Exec(ctx); err != nil {
+		panic(err)
+	}
+}

entc/integration/migrate/entv1/customtype_delete.go

@@ -0,0 +1,92 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package entv1
+
+import (
+	"context"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/entc/integration/migrate/entv1/customtype"
+	"entgo.io/ent/entc/integration/migrate/entv1/predicate"
+	"entgo.io/ent/schema/field"
+)
+
+// CustomTypeDelete is the builder for deleting a CustomType entity.
+type CustomTypeDelete struct {
+	config
+	hooks    []Hook
+	mutation *CustomTypeMutation
+}
+
+// Where appends a list predicates to the CustomTypeDelete builder.
+func (_d *CustomTypeDelete) Where(ps ...predicate.CustomType) *CustomTypeDelete {
+	_d.mutation.Where(ps...)
+	return _d
+}
+
+// Exec executes the deletion query and returns how many vertices were deleted.
+func (_d *CustomTypeDelete) Exec(ctx context.Context) (int, error) {
+	return withHooks(ctx, _d.sqlExec, _d.mutation, _d.hooks)
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_d *CustomTypeDelete) ExecX(ctx context.Context) int {
+	n, err := _d.Exec(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return n
+}
+
+func (_d *CustomTypeDelete) sqlExec(ctx context.Context) (int, error) {
+	_spec := sqlgraph.NewDeleteSpec(customtype.Table, sqlgraph.NewFieldSpec(customtype.FieldID, field.TypeInt))
+	if ps := _d.mutation.Predicates(); len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	affected, err := sqlgraph.DeleteNodes(ctx, _d.driver, _spec)
+	if err != nil && sqlgraph.IsConstraintError(err) {
+		err = &ConstraintError{msg: err.Error(), wrap: err}
+	}
+	_d.mutation.done = true
+	return affected, err
+}
+
+// CustomTypeDeleteOne is the builder for deleting a single CustomType entity.
+type CustomTypeDeleteOne struct {
+	_d *CustomTypeDelete
+}
+
+// Where appends a list predicates to the CustomTypeDelete builder.
+func (_d *CustomTypeDeleteOne) Where(ps ...predicate.CustomType) *CustomTypeDeleteOne {
+	_d._d.mutation.Where(ps...)
+	return _d
+}
+
+// Exec executes the deletion query.
+func (_d *CustomTypeDeleteOne) Exec(ctx context.Context) error {
+	n, err := _d._d.Exec(ctx)
+	switch {
+	case err != nil:
+		return err
+	case n == 0:
+		return &NotFoundError{customtype.Label}
+	default:
+		return nil
+	}
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_d *CustomTypeDeleteOne) ExecX(ctx context.Context) {
+	if err := _d.Exec(ctx); err != nil {
+		panic(err)
+	}
+}

entc/integration/migrate/entv1/customtype_query.go

@@ -0,0 +1,531 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package entv1
+
+import (
+	"context"
+	"fmt"
+	"math"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/entc/integration/migrate/entv1/customtype"
+	"entgo.io/ent/entc/integration/migrate/entv1/predicate"
+	"entgo.io/ent/schema/field"
+)
+
+// CustomTypeQuery is the builder for querying CustomType entities.
+type CustomTypeQuery struct {
+	config
+	ctx        *QueryContext
+	order      []customtype.OrderOption
+	inters     []Interceptor
+	predicates []predicate.CustomType
+	// intermediate query (i.e. traversal path).
+	sql  *sql.Selector
+	path func(context.Context) (*sql.Selector, error)
+}
+
+// Where adds a new predicate for the CustomTypeQuery builder.
+func (_q *CustomTypeQuery) Where(ps ...predicate.CustomType) *CustomTypeQuery {
+	_q.predicates = append(_q.predicates, ps...)
+	return _q
+}
+
+// Limit the number of records to be returned by this query.
+func (_q *CustomTypeQuery) Limit(limit int) *CustomTypeQuery {
+	_q.ctx.Limit = &limit
+	return _q
+}
+
+// Offset to start from.
+func (_q *CustomTypeQuery) Offset(offset int) *CustomTypeQuery {
+	_q.ctx.Offset = &offset
+	return _q
+}
+
+// Unique configures the query builder to filter duplicate records on query.
+// By default, unique is set to true, and can be disabled using this method.
+func (_q *CustomTypeQuery) Unique(unique bool) *CustomTypeQuery {
+	_q.ctx.Unique = &unique
+	return _q
+}
+
+// Order specifies how the records should be ordered.
+func (_q *CustomTypeQuery) Order(o ...customtype.OrderOption) *CustomTypeQuery {
+	_q.order = append(_q.order, o...)
+	return _q
+}
+
+// First returns the first CustomType entity from the query.
+// Returns a *NotFoundError when no CustomType was found.
+func (_q *CustomTypeQuery) First(ctx context.Context) (*CustomType, error) {
+	nodes, err := _q.Limit(1).All(setContextOp(ctx, _q.ctx, ent.OpQueryFirst))
+	if err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nil, &NotFoundError{customtype.Label}
+	}
+	return nodes[0], nil
+}
+
+// FirstX is like First, but panics if an error occurs.
+func (_q *CustomTypeQuery) FirstX(ctx context.Context) *CustomType {
+	node, err := _q.First(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return node
+}
+
+// FirstID returns the first CustomType ID from the query.
+// Returns a *NotFoundError when no CustomType ID was found.
+func (_q *CustomTypeQuery) FirstID(ctx context.Context) (id int, err error) {
+	var ids []int
+	if ids, err = _q.Limit(1).IDs(setContextOp(ctx, _q.ctx, ent.OpQueryFirstID)); err != nil {
+		return
+	}
+	if len(ids) == 0 {
+		err = &NotFoundError{customtype.Label}
+		return
+	}
+	return ids[0], nil
+}
+
+// FirstIDX is like FirstID, but panics if an error occurs.
+func (_q *CustomTypeQuery) FirstIDX(ctx context.Context) int {
+	id, err := _q.FirstID(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return id
+}
+
+// Only returns a single CustomType entity found by the query, ensuring it only returns one.
+// Returns a *NotSingularError when more than one CustomType entity is found.
+// Returns a *NotFoundError when no CustomType entities are found.
+func (_q *CustomTypeQuery) Only(ctx context.Context) (*CustomType, error) {
+	nodes, err := _q.Limit(2).All(setContextOp(ctx, _q.ctx, ent.OpQueryOnly))
+	if err != nil {
+		return nil, err
+	}
+	switch len(nodes) {
+	case 1:
+		return nodes[0], nil
+	case 0:
+		return nil, &NotFoundError{customtype.Label}
+	default:
+		return nil, &NotSingularError{customtype.Label}
+	}
+}
+
+// OnlyX is like Only, but panics if an error occurs.
+func (_q *CustomTypeQuery) OnlyX(ctx context.Context) *CustomType {
+	node, err := _q.Only(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// OnlyID is like Only, but returns the only CustomType ID in the query.
+// Returns a *NotSingularError when more than one CustomType ID is found.
+// Returns a *NotFoundError when no entities are found.
+func (_q *CustomTypeQuery) OnlyID(ctx context.Context) (id int, err error) {
+	var ids []int
+	if ids, err = _q.Limit(2).IDs(setContextOp(ctx, _q.ctx, ent.OpQueryOnlyID)); err != nil {
+		return
+	}
+	switch len(ids) {
+	case 1:
+		id = ids[0]
+	case 0:
+		err = &NotFoundError{customtype.Label}
+	default:
+		err = &NotSingularError{customtype.Label}
+	}
+	return
+}
+
+// OnlyIDX is like OnlyID, but panics if an error occurs.
+func (_q *CustomTypeQuery) OnlyIDX(ctx context.Context) int {
+	id, err := _q.OnlyID(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return id
+}
+
+// All executes the query and returns a list of CustomTypes.
+func (_q *CustomTypeQuery) All(ctx context.Context) ([]*CustomType, error) {
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryAll)
+	if err := _q.prepareQuery(ctx); err != nil {
+		return nil, err
+	}
+	qr := querierAll[[]*CustomType, *CustomTypeQuery]()
+	return withInterceptors[[]*CustomType](ctx, _q, qr, _q.inters)
+}
+
+// AllX is like All, but panics if an error occurs.
+func (_q *CustomTypeQuery) AllX(ctx context.Context) []*CustomType {
+	nodes, err := _q.All(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return nodes
+}
+
+// IDs executes the query and returns a list of CustomType IDs.
+func (_q *CustomTypeQuery) IDs(ctx context.Context) (ids []int, err error) {
+	if _q.ctx.Unique == nil && _q.path != nil {
+		_q.Unique(true)
+	}
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryIDs)
+	if err = _q.Select(customtype.FieldID).Scan(ctx, &ids); err != nil {
+		return nil, err
+	}
+	return ids, nil
+}
+
+// IDsX is like IDs, but panics if an error occurs.
+func (_q *CustomTypeQuery) IDsX(ctx context.Context) []int {
+	ids, err := _q.IDs(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return ids
+}
+
+// Count returns the count of the given query.
+func (_q *CustomTypeQuery) Count(ctx context.Context) (int, error) {
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryCount)
+	if err := _q.prepareQuery(ctx); err != nil {
+		return 0, err
+	}
+	return withInterceptors[int](ctx, _q, querierCount[*CustomTypeQuery](), _q.inters)
+}
+
+// CountX is like Count, but panics if an error occurs.
+func (_q *CustomTypeQuery) CountX(ctx context.Context) int {
+	count, err := _q.Count(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return count
+}
+
+// Exist returns true if the query has elements in the graph.
+func (_q *CustomTypeQuery) Exist(ctx context.Context) (bool, error) {
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryExist)
+	switch _, err := _q.FirstID(ctx); {
+	case IsNotFound(err):
+		return false, nil
+	case err != nil:
+		return false, fmt.Errorf("entv1: check existence: %w", err)
+	default:
+		return true, nil
+	}
+}
+
+// ExistX is like Exist, but panics if an error occurs.
+func (_q *CustomTypeQuery) ExistX(ctx context.Context) bool {
+	exist, err := _q.Exist(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return exist
+}
+
+// Clone returns a duplicate of the CustomTypeQuery builder, including all associated steps. It can be
+// used to prepare common query builders and use them differently after the clone is made.
+func (_q *CustomTypeQuery) Clone() *CustomTypeQuery {
+	if _q == nil {
+		return nil
+	}
+	return &CustomTypeQuery{
+		config:     _q.config,
+		ctx:        _q.ctx.Clone(),
+		order:      append([]customtype.OrderOption{}, _q.order...),
+		inters:     append([]Interceptor{}, _q.inters...),
+		predicates: append([]predicate.CustomType{}, _q.predicates...),
+		// clone intermediate query.
+		sql:  _q.sql.Clone(),
+		path: _q.path,
+	}
+}
+
+// GroupBy is used to group vertices by one or more fields/columns.
+// It is often used with aggregate functions, like: count, max, mean, min, sum.
+//
+// Example:
+//
+//	var v []struct {
+//		Custom string `json:"custom,omitempty"`
+//		Count int `json:"count,omitempty"`
+//	}
+//
+//	client.CustomType.Query().
+//		GroupBy(customtype.FieldCustom).
+//		Aggregate(entv1.Count()).
+//		Scan(ctx, &v)
+func (_q *CustomTypeQuery) GroupBy(field string, fields ...string) *CustomTypeGroupBy {
+	_q.ctx.Fields = append([]string{field}, fields...)
+	grbuild := &CustomTypeGroupBy{build: _q}
+	grbuild.flds = &_q.ctx.Fields
+	grbuild.label = customtype.Label
+	grbuild.scan = grbuild.Scan
+	return grbuild
+}
+
+// Select allows the selection one or more fields/columns for the given query,
+// instead of selecting all fields in the entity.
+//
+// Example:
+//
+//	var v []struct {
+//		Custom string `json:"custom,omitempty"`
+//	}
+//
+//	client.CustomType.Query().
+//		Select(customtype.FieldCustom).
+//		Scan(ctx, &v)
+func (_q *CustomTypeQuery) Select(fields ...string) *CustomTypeSelect {
+	_q.ctx.Fields = append(_q.ctx.Fields, fields...)
+	sbuild := &CustomTypeSelect{CustomTypeQuery: _q}
+	sbuild.label = customtype.Label
+	sbuild.flds, sbuild.scan = &_q.ctx.Fields, sbuild.Scan
+	return sbuild
+}
+
+// Aggregate returns a CustomTypeSelect configured with the given aggregations.
+func (_q *CustomTypeQuery) Aggregate(fns ...AggregateFunc) *CustomTypeSelect {
+	return _q.Select().Aggregate(fns...)
+}
+
+func (_q *CustomTypeQuery) prepareQuery(ctx context.Context) error {
+	for _, inter := range _q.inters {
+		if inter == nil {
+			return fmt.Errorf("entv1: uninitialized interceptor (forgotten import entv1/runtime?)")
+		}
+		if trv, ok := inter.(Traverser); ok {
+			if err := trv.Traverse(ctx, _q); err != nil {
+				return err
+			}
+		}
+	}
+	for _, f := range _q.ctx.Fields {
+		if !customtype.ValidColumn(f) {
+			return &ValidationError{Name: f, err: fmt.Errorf("entv1: invalid field %q for query", f)}
+		}
+	}
+	if _q.path != nil {
+		prev, err := _q.path(ctx)
+		if err != nil {
+			return err
+		}
+		_q.sql = prev
+	}
+	return nil
+}
+
+func (_q *CustomTypeQuery) sqlAll(ctx context.Context, hooks ...queryHook) ([]*CustomType, error) {
+	var (
+		nodes = []*CustomType{}
+		_spec = _q.querySpec()
+	)
+	_spec.ScanValues = func(columns []string) ([]any, error) {
+		return (*CustomType).scanValues(nil, columns)
+	}
+	_spec.Assign = func(columns []string, values []any) error {
+		node := &CustomType{config: _q.config}
+		nodes = append(nodes, node)
+		return node.assignValues(columns, values)
+	}
+	for i := range hooks {
+		hooks[i](ctx, _spec)
+	}
+	if err := sqlgraph.QueryNodes(ctx, _q.driver, _spec); err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nodes, nil
+	}
+	return nodes, nil
+}
+
+func (_q *CustomTypeQuery) sqlCount(ctx context.Context) (int, error) {
+	_spec := _q.querySpec()
+	_spec.Node.Columns = _q.ctx.Fields
+	if len(_q.ctx.Fields) > 0 {
+		_spec.Unique = _q.ctx.Unique != nil && *_q.ctx.Unique
+	}
+	return sqlgraph.CountNodes(ctx, _q.driver, _spec)
+}
+
+func (_q *CustomTypeQuery) querySpec() *sqlgraph.QuerySpec {
+	_spec := sqlgraph.NewQuerySpec(customtype.Table, customtype.Columns, sqlgraph.NewFieldSpec(customtype.FieldID, field.TypeInt))
+	_spec.From = _q.sql
+	if unique := _q.ctx.Unique; unique != nil {
+		_spec.Unique = *unique
+	} else if _q.path != nil {
+		_spec.Unique = true
+	}
+	if fields := _q.ctx.Fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, customtype.FieldID)
+		for i := range fields {
+			if fields[i] != customtype.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, fields[i])
+			}
+		}
+	}
+	if ps := _q.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if limit := _q.ctx.Limit; limit != nil {
+		_spec.Limit = *limit
+	}
+	if offset := _q.ctx.Offset; offset != nil {
+		_spec.Offset = *offset
+	}
+	if ps := _q.order; len(ps) > 0 {
+		_spec.Order = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	return _spec
+}
+
+func (_q *CustomTypeQuery) sqlQuery(ctx context.Context) *sql.Selector {
+	builder := sql.Dialect(_q.driver.Dialect())
+	t1 := builder.Table(customtype.Table)
+	columns := _q.ctx.Fields
+	if len(columns) == 0 {
+		columns = customtype.Columns
+	}
+	selector := builder.Select(t1.Columns(columns...)...).From(t1)
+	if _q.sql != nil {
+		selector = _q.sql
+		selector.Select(selector.Columns(columns...)...)
+	}
+	if _q.ctx.Unique != nil && *_q.ctx.Unique {
+		selector.Distinct()
+	}
+	for _, p := range _q.predicates {
+		p(selector)
+	}
+	for _, p := range _q.order {
+		p(selector)
+	}
+	if offset := _q.ctx.Offset; offset != nil {
+		// limit is mandatory for offset clause. We start
+		// with default value, and override it below if needed.
+		selector.Offset(*offset).Limit(math.MaxInt32)
+	}
+	if limit := _q.ctx.Limit; limit != nil {
+		selector.Limit(*limit)
+	}
+	return selector
+}
+
+// CustomTypeGroupBy is the group-by builder for CustomType entities.
+type CustomTypeGroupBy struct {
+	selector
+	build *CustomTypeQuery
+}
+
+// Aggregate adds the given aggregation functions to the group-by query.
+func (_g *CustomTypeGroupBy) Aggregate(fns ...AggregateFunc) *CustomTypeGroupBy {
+	_g.fns = append(_g.fns, fns...)
+	return _g
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (_g *CustomTypeGroupBy) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, _g.build.ctx, ent.OpQueryGroupBy)
+	if err := _g.build.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*CustomTypeQuery, *CustomTypeGroupBy](ctx, _g.build, _g, _g.build.inters, v)
+}
+
+func (_g *CustomTypeGroupBy) sqlScan(ctx context.Context, root *CustomTypeQuery, v any) error {
+	selector := root.sqlQuery(ctx).Select()
+	aggregation := make([]string, 0, len(_g.fns))
+	for _, fn := range _g.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	if len(selector.SelectedColumns()) == 0 {
+		columns := make([]string, 0, len(*_g.flds)+len(_g.fns))
+		for _, f := range *_g.flds {
+			columns = append(columns, selector.C(f))
+		}
+		columns = append(columns, aggregation...)
+		selector.Select(columns...)
+	}
+	selector.GroupBy(selector.Columns(*_g.flds...)...)
+	if err := selector.Err(); err != nil {
+		return err
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := _g.build.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}
+
+// CustomTypeSelect is the builder for selecting fields of CustomType entities.
+type CustomTypeSelect struct {
+	*CustomTypeQuery
+	selector
+}
+
+// Aggregate adds the given aggregation functions to the selector query.
+func (_s *CustomTypeSelect) Aggregate(fns ...AggregateFunc) *CustomTypeSelect {
+	_s.fns = append(_s.fns, fns...)
+	return _s
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (_s *CustomTypeSelect) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, _s.ctx, ent.OpQuerySelect)
+	if err := _s.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*CustomTypeQuery, *CustomTypeSelect](ctx, _s.CustomTypeQuery, _s, _s.inters, v)
+}
+
+func (_s *CustomTypeSelect) sqlScan(ctx context.Context, root *CustomTypeQuery, v any) error {
+	selector := root.sqlQuery(ctx)
+	aggregation := make([]string, 0, len(_s.fns))
+	for _, fn := range _s.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	switch n := len(*_s.selector.flds); {
+	case n == 0 && len(aggregation) > 0:
+		selector.Select(aggregation...)
+	case n != 0 && len(aggregation) > 0:
+		selector.AppendSelect(aggregation...)
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := _s.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}

entc/integration/migrate/entv1/customtype_update.go

@@ -0,0 +1,231 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package entv1
+
+import (
+	"context"
+	"errors"
+	"fmt"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/entc/integration/migrate/entv1/customtype"
+	"entgo.io/ent/entc/integration/migrate/entv1/predicate"
+	"entgo.io/ent/schema/field"
+)
+
+// CustomTypeUpdate is the builder for updating CustomType entities.
+type CustomTypeUpdate struct {
+	config
+	hooks    []Hook
+	mutation *CustomTypeMutation
+}
+
+// Where appends a list predicates to the CustomTypeUpdate builder.
+func (_u *CustomTypeUpdate) Where(ps ...predicate.CustomType) *CustomTypeUpdate {
+	_u.mutation.Where(ps...)
+	return _u
+}
+
+// SetCustom sets the "custom" field.
+func (_u *CustomTypeUpdate) SetCustom(v string) *CustomTypeUpdate {
+	_u.mutation.SetCustom(v)
+	return _u
+}
+
+// SetNillableCustom sets the "custom" field if the given value is not nil.
+func (_u *CustomTypeUpdate) SetNillableCustom(v *string) *CustomTypeUpdate {
+	if v != nil {
+		_u.SetCustom(*v)
+	}
+	return _u
+}
+
+// ClearCustom clears the value of the "custom" field.
+func (_u *CustomTypeUpdate) ClearCustom() *CustomTypeUpdate {
+	_u.mutation.ClearCustom()
+	return _u
+}
+
+// Mutation returns the CustomTypeMutation object of the builder.
+func (_u *CustomTypeUpdate) Mutation() *CustomTypeMutation {
+	return _u.mutation
+}
+
+// Save executes the query and returns the number of nodes affected by the update operation.
+func (_u *CustomTypeUpdate) Save(ctx context.Context) (int, error) {
+	return withHooks(ctx, _u.sqlSave, _u.mutation, _u.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (_u *CustomTypeUpdate) SaveX(ctx context.Context) int {
+	affected, err := _u.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return affected
+}
+
+// Exec executes the query.
+func (_u *CustomTypeUpdate) Exec(ctx context.Context) error {
+	_, err := _u.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_u *CustomTypeUpdate) ExecX(ctx context.Context) {
+	if err := _u.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+func (_u *CustomTypeUpdate) sqlSave(ctx context.Context) (_node int, err error) {
+	_spec := sqlgraph.NewUpdateSpec(customtype.Table, customtype.Columns, sqlgraph.NewFieldSpec(customtype.FieldID, field.TypeInt))
+	if ps := _u.mutation.Predicates(); len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if value, ok := _u.mutation.Custom(); ok {
+		_spec.SetField(customtype.FieldCustom, field.TypeString, value)
+	}
+	if _u.mutation.CustomCleared() {
+		_spec.ClearField(customtype.FieldCustom, field.TypeString)
+	}
+	if _node, err = sqlgraph.UpdateNodes(ctx, _u.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{customtype.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return 0, err
+	}
+	_u.mutation.done = true
+	return _node, nil
+}
+
+// CustomTypeUpdateOne is the builder for updating a single CustomType entity.
+type CustomTypeUpdateOne struct {
+	config
+	fields   []string
+	hooks    []Hook
+	mutation *CustomTypeMutation
+}
+
+// SetCustom sets the "custom" field.
+func (_u *CustomTypeUpdateOne) SetCustom(v string) *CustomTypeUpdateOne {
+	_u.mutation.SetCustom(v)
+	return _u
+}
+
+// SetNillableCustom sets the "custom" field if the given value is not nil.
+func (_u *CustomTypeUpdateOne) SetNillableCustom(v *string) *CustomTypeUpdateOne {
+	if v != nil {
+		_u.SetCustom(*v)
+	}
+	return _u
+}
+
+// ClearCustom clears the value of the "custom" field.
+func (_u *CustomTypeUpdateOne) ClearCustom() *CustomTypeUpdateOne {
+	_u.mutation.ClearCustom()
+	return _u
+}
+
+// Mutation returns the CustomTypeMutation object of the builder.
+func (_u *CustomTypeUpdateOne) Mutation() *CustomTypeMutation {
+	return _u.mutation
+}
+
+// Where appends a list predicates to the CustomTypeUpdate builder.
+func (_u *CustomTypeUpdateOne) Where(ps ...predicate.CustomType) *CustomTypeUpdateOne {
+	_u.mutation.Where(ps...)
+	return _u
+}
+
+// Select allows selecting one or more fields (columns) of the returned entity.
+// The default is selecting all fields defined in the entity schema.
+func (_u *CustomTypeUpdateOne) Select(field string, fields ...string) *CustomTypeUpdateOne {
+	_u.fields = append([]string{field}, fields...)
+	return _u
+}
+
+// Save executes the query and returns the updated CustomType entity.
+func (_u *CustomTypeUpdateOne) Save(ctx context.Context) (*CustomType, error) {
+	return withHooks(ctx, _u.sqlSave, _u.mutation, _u.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (_u *CustomTypeUpdateOne) SaveX(ctx context.Context) *CustomType {
+	node, err := _u.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// Exec executes the query on the entity.
+func (_u *CustomTypeUpdateOne) Exec(ctx context.Context) error {
+	_, err := _u.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_u *CustomTypeUpdateOne) ExecX(ctx context.Context) {
+	if err := _u.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+func (_u *CustomTypeUpdateOne) sqlSave(ctx context.Context) (_node *CustomType, err error) {
+	_spec := sqlgraph.NewUpdateSpec(customtype.Table, customtype.Columns, sqlgraph.NewFieldSpec(customtype.FieldID, field.TypeInt))
+	id, ok := _u.mutation.ID()
+	if !ok {
+		return nil, &ValidationError{Name: "id", err: errors.New(`entv1: missing "CustomType.id" for update`)}
+	}
+	_spec.Node.ID.Value = id
+	if fields := _u.fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, customtype.FieldID)
+		for _, f := range fields {
+			if !customtype.ValidColumn(f) {
+				return nil, &ValidationError{Name: f, err: fmt.Errorf("entv1: invalid field %q for query", f)}
+			}
+			if f != customtype.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, f)
+			}
+		}
+	}
+	if ps := _u.mutation.Predicates(); len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if value, ok := _u.mutation.Custom(); ok {
+		_spec.SetField(customtype.FieldCustom, field.TypeString, value)
+	}
+	if _u.mutation.CustomCleared() {
+		_spec.ClearField(customtype.FieldCustom, field.TypeString)
+	}
+	_node = &CustomType{config: _u.config}
+	_spec.Assign = _node.assignValues
+	_spec.ScanValues = _node.scanValues
+	if err = sqlgraph.UpdateNode(ctx, _u.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{customtype.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	_u.mutation.done = true
+	return _node, nil
+}

entc/integration/migrate/entv1/ent.go

@@ -0,0 +1,618 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package entv1
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"reflect"
+	"sync"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/entc/integration/migrate/entv1/car"
+	"entgo.io/ent/entc/integration/migrate/entv1/conversion"
+	"entgo.io/ent/entc/integration/migrate/entv1/customtype"
+	"entgo.io/ent/entc/integration/migrate/entv1/user"
+)
+
+// ent aliases to avoid import conflicts in user's code.
+type (
+	Op            = ent.Op
+	Hook          = ent.Hook
+	Value         = ent.Value
+	Query         = ent.Query
+	QueryContext  = ent.QueryContext
+	Querier       = ent.Querier
+	QuerierFunc   = ent.QuerierFunc
+	Interceptor   = ent.Interceptor
+	InterceptFunc = ent.InterceptFunc
+	Traverser     = ent.Traverser
+	TraverseFunc  = ent.TraverseFunc
+	Policy        = ent.Policy
+	Mutator       = ent.Mutator
+	Mutation      = ent.Mutation
+	MutateFunc    = ent.MutateFunc
+)
+
+type clientCtxKey struct{}
+
+// FromContext returns a Client stored inside a context, or nil if there isn't one.
+func FromContext(ctx context.Context) *Client {
+	c, _ := ctx.Value(clientCtxKey{}).(*Client)
+	return c
+}
+
+// NewContext returns a new context with the given Client attached.
+func NewContext(parent context.Context, c *Client) context.Context {
+	return context.WithValue(parent, clientCtxKey{}, c)
+}
+
+type txCtxKey struct{}
+
+// TxFromContext returns a Tx stored inside a context, or nil if there isn't one.
+func TxFromContext(ctx context.Context) *Tx {
+	tx, _ := ctx.Value(txCtxKey{}).(*Tx)
+	return tx
+}
+
+// NewTxContext returns a new context with the given Tx attached.
+func NewTxContext(parent context.Context, tx *Tx) context.Context {
+	return context.WithValue(parent, txCtxKey{}, tx)
+}
+
+// OrderFunc applies an ordering on the sql selector.
+// Deprecated: Use Asc/Desc functions or the package builders instead.
+type OrderFunc func(*sql.Selector)
+
+var (
+	initCheck   sync.Once
+	columnCheck sql.ColumnCheck
+)
+
+// checkColumn checks if the column exists in the given table.
+func checkColumn(t, c string) error {
+	initCheck.Do(func() {
+		columnCheck = sql.NewColumnCheck(map[string]func(string) bool{
+			car.Table:        car.ValidColumn,
+			conversion.Table: conversion.ValidColumn,
+			customtype.Table: customtype.ValidColumn,
+			user.Table:       user.ValidColumn,
+		})
+	})
+	return columnCheck(t, c)
+}
+
+// Asc applies the given fields in ASC order.
+func Asc(fields ...string) func(*sql.Selector) {
+	return func(s *sql.Selector) {
+		for _, f := range fields {
+			if err := checkColumn(s.TableName(), f); err != nil {
+				s.AddError(&ValidationError{Name: f, err: fmt.Errorf("entv1: %w", err)})
+			}
+			s.OrderBy(sql.Asc(s.C(f)))
+		}
+	}
+}
+
+// Desc applies the given fields in DESC order.
+func Desc(fields ...string) func(*sql.Selector) {
+	return func(s *sql.Selector) {
+		for _, f := range fields {
+			if err := checkColumn(s.TableName(), f); err != nil {
+				s.AddError(&ValidationError{Name: f, err: fmt.Errorf("entv1: %w", err)})
+			}
+			s.OrderBy(sql.Desc(s.C(f)))
+		}
+	}
+}
+
+// AggregateFunc applies an aggregation step on the group-by traversal/selector.
+type AggregateFunc func(*sql.Selector) string
+
+// As is a pseudo aggregation function for renaming another other functions with custom names. For example:
+//
+//	GroupBy(field1, field2).
+//	Aggregate(entv1.As(entv1.Sum(field1), "sum_field1"), (entv1.As(entv1.Sum(field2), "sum_field2")).
+//	Scan(ctx, &v)
+func As(fn AggregateFunc, end string) AggregateFunc {
+	return func(s *sql.Selector) string {
+		return sql.As(fn(s), end)
+	}
+}
+
+// Count applies the "count" aggregation function on each group.
+func Count() AggregateFunc {
+	return func(s *sql.Selector) string {
+		return sql.Count("*")
+	}
+}
+
+// Max applies the "max" aggregation function on the given field of each group.
+func Max(field string) AggregateFunc {
+	return func(s *sql.Selector) string {
+		if err := checkColumn(s.TableName(), field); err != nil {
+			s.AddError(&ValidationError{Name: field, err: fmt.Errorf("entv1: %w", err)})
+			return ""
+		}
+		return sql.Max(s.C(field))
+	}
+}
+
+// Mean applies the "mean" aggregation function on the given field of each group.
+func Mean(field string) AggregateFunc {
+	return func(s *sql.Selector) string {
+		if err := checkColumn(s.TableName(), field); err != nil {
+			s.AddError(&ValidationError{Name: field, err: fmt.Errorf("entv1: %w", err)})
+			return ""
+		}
+		return sql.Avg(s.C(field))
+	}
+}
+
+// Min applies the "min" aggregation function on the given field of each group.
+func Min(field string) AggregateFunc {
+	return func(s *sql.Selector) string {
+		if err := checkColumn(s.TableName(), field); err != nil {
+			s.AddError(&ValidationError{Name: field, err: fmt.Errorf("entv1: %w", err)})
+			return ""
+		}
+		return sql.Min(s.C(field))
+	}
+}
+
+// Sum applies the "sum" aggregation function on the given field of each group.
+func Sum(field string) AggregateFunc {
+	return func(s *sql.Selector) string {
+		if err := checkColumn(s.TableName(), field); err != nil {
+			s.AddError(&ValidationError{Name: field, err: fmt.Errorf("entv1: %w", err)})
+			return ""
+		}
+		return sql.Sum(s.C(field))
+	}
+}
+
+// ValidationError returns when validating a field or edge fails.
+type ValidationError struct {
+	Name string // Field or edge name.
+	err  error
+}
+
+// Error implements the error interface.
+func (e *ValidationError) Error() string {
+	return e.err.Error()
+}
+
+// Unwrap implements the errors.Wrapper interface.
+func (e *ValidationError) Unwrap() error {
+	return e.err
+}
+
+// IsValidationError returns a boolean indicating whether the error is a validation error.
+func IsValidationError(err error) bool {
+	if err == nil {
+		return false
+	}
+	var e *ValidationError
+	return errors.As(err, &e)
+}
+
+// NotFoundError returns when trying to fetch a specific entity and it was not found in the database.
+type NotFoundError struct {
+	label string
+}
+
+// Error implements the error interface.
+func (e *NotFoundError) Error() string {
+	return "entv1: " + e.label + " not found"
+}
+
+// IsNotFound returns a boolean indicating whether the error is a not found error.
+func IsNotFound(err error) bool {
+	if err == nil {
+		return false
+	}
+	var e *NotFoundError
+	return errors.As(err, &e)
+}
+
+// MaskNotFound masks not found error.
+func MaskNotFound(err error) error {
+	if IsNotFound(err) {
+		return nil
+	}
+	return err
+}
+
+// NotSingularError returns when trying to fetch a singular entity and more then one was found in the database.
+type NotSingularError struct {
+	label string
+}
+
+// Error implements the error interface.
+func (e *NotSingularError) Error() string {
+	return "entv1: " + e.label + " not singular"
+}
+
+// IsNotSingular returns a boolean indicating whether the error is a not singular error.
+func IsNotSingular(err error) bool {
+	if err == nil {
+		return false
+	}
+	var e *NotSingularError
+	return errors.As(err, &e)
+}
+
+// NotLoadedError returns when trying to get a node that was not loaded by the query.
+type NotLoadedError struct {
+	edge string
+}
+
+// Error implements the error interface.
+func (e *NotLoadedError) Error() string {
+	return "entv1: " + e.edge + " edge was not loaded"
+}
+
+// IsNotLoaded returns a boolean indicating whether the error is a not loaded error.
+func IsNotLoaded(err error) bool {
+	if err == nil {
+		return false
+	}
+	var e *NotLoadedError
+	return errors.As(err, &e)
+}
+
+// ConstraintError returns when trying to create/update one or more entities and
+// one or more of their constraints failed. For example, violation of edge or
+// field uniqueness.
+type ConstraintError struct {
+	msg  string
+	wrap error
+}
+
+// Error implements the error interface.
+func (e ConstraintError) Error() string {
+	return "entv1: constraint failed: " + e.msg
+}
+
+// Unwrap implements the errors.Wrapper interface.
+func (e *ConstraintError) Unwrap() error {
+	return e.wrap
+}
+
+// IsConstraintError returns a boolean indicating whether the error is a constraint failure.
+func IsConstraintError(err error) bool {
+	if err == nil {
+		return false
+	}
+	var e *ConstraintError
+	return errors.As(err, &e)
+}
+
+// selector embedded by the different Select/GroupBy builders.
+type selector struct {
+	label string
+	flds  *[]string
+	fns   []AggregateFunc
+	scan  func(context.Context, any) error
+}
+
+// ScanX is like Scan, but panics if an error occurs.
+func (s *selector) ScanX(ctx context.Context, v any) {
+	if err := s.scan(ctx, v); err != nil {
+		panic(err)
+	}
+}
+
+// Strings returns list of strings from a selector. It is only allowed when selecting one field.
+func (s *selector) Strings(ctx context.Context) ([]string, error) {
+	if len(*s.flds) > 1 {
+		return nil, errors.New("entv1: Strings is not achievable when selecting more than 1 field")
+	}
+	var v []string
+	if err := s.scan(ctx, &v); err != nil {
+		return nil, err
+	}
+	return v, nil
+}
+
+// StringsX is like Strings, but panics if an error occurs.
+func (s *selector) StringsX(ctx context.Context) []string {
+	v, err := s.Strings(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// String returns a single string from a selector. It is only allowed when selecting one field.
+func (s *selector) String(ctx context.Context) (_ string, err error) {
+	var v []string
+	if v, err = s.Strings(ctx); err != nil {
+		return
+	}
+	switch len(v) {
+	case 1:
+		return v[0], nil
+	case 0:
+		err = &NotFoundError{s.label}
+	default:
+		err = fmt.Errorf("entv1: Strings returned %d results when one was expected", len(v))
+	}
+	return
+}
+
+// StringX is like String, but panics if an error occurs.
+func (s *selector) StringX(ctx context.Context) string {
+	v, err := s.String(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Ints returns list of ints from a selector. It is only allowed when selecting one field.
+func (s *selector) Ints(ctx context.Context) ([]int, error) {
+	if len(*s.flds) > 1 {
+		return nil, errors.New("entv1: Ints is not achievable when selecting more than 1 field")
+	}
+	var v []int
+	if err := s.scan(ctx, &v); err != nil {
+		return nil, err
+	}
+	return v, nil
+}
+
+// IntsX is like Ints, but panics if an error occurs.
+func (s *selector) IntsX(ctx context.Context) []int {
+	v, err := s.Ints(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Int returns a single int from a selector. It is only allowed when selecting one field.
+func (s *selector) Int(ctx context.Context) (_ int, err error) {
+	var v []int
+	if v, err = s.Ints(ctx); err != nil {
+		return
+	}
+	switch len(v) {
+	case 1:
+		return v[0], nil
+	case 0:
+		err = &NotFoundError{s.label}
+	default:
+		err = fmt.Errorf("entv1: Ints returned %d results when one was expected", len(v))
+	}
+	return
+}
+
+// IntX is like Int, but panics if an error occurs.
+func (s *selector) IntX(ctx context.Context) int {
+	v, err := s.Int(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Float64s returns list of float64s from a selector. It is only allowed when selecting one field.
+func (s *selector) Float64s(ctx context.Context) ([]float64, error) {
+	if len(*s.flds) > 1 {
+		return nil, errors.New("entv1: Float64s is not achievable when selecting more than 1 field")
+	}
+	var v []float64
+	if err := s.scan(ctx, &v); err != nil {
+		return nil, err
+	}
+	return v, nil
+}
+
+// Float64sX is like Float64s, but panics if an error occurs.
+func (s *selector) Float64sX(ctx context.Context) []float64 {
+	v, err := s.Float64s(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Float64 returns a single float64 from a selector. It is only allowed when selecting one field.
+func (s *selector) Float64(ctx context.Context) (_ float64, err error) {
+	var v []float64
+	if v, err = s.Float64s(ctx); err != nil {
+		return
+	}
+	switch len(v) {
+	case 1:
+		return v[0], nil
+	case 0:
+		err = &NotFoundError{s.label}
+	default:
+		err = fmt.Errorf("entv1: Float64s returned %d results when one was expected", len(v))
+	}
+	return
+}
+
+// Float64X is like Float64, but panics if an error occurs.
+func (s *selector) Float64X(ctx context.Context) float64 {
+	v, err := s.Float64(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Bools returns list of bools from a selector. It is only allowed when selecting one field.
+func (s *selector) Bools(ctx context.Context) ([]bool, error) {
+	if len(*s.flds) > 1 {
+		return nil, errors.New("entv1: Bools is not achievable when selecting more than 1 field")
+	}
+	var v []bool
+	if err := s.scan(ctx, &v); err != nil {
+		return nil, err
+	}
+	return v, nil
+}
+
+// BoolsX is like Bools, but panics if an error occurs.
+func (s *selector) BoolsX(ctx context.Context) []bool {
+	v, err := s.Bools(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Bool returns a single bool from a selector. It is only allowed when selecting one field.
+func (s *selector) Bool(ctx context.Context) (_ bool, err error) {
+	var v []bool
+	if v, err = s.Bools(ctx); err != nil {
+		return
+	}
+	switch len(v) {
+	case 1:
+		return v[0], nil
+	case 0:
+		err = &NotFoundError{s.label}
+	default:
+		err = fmt.Errorf("entv1: Bools returned %d results when one was expected", len(v))
+	}
+	return
+}
+
+// BoolX is like Bool, but panics if an error occurs.
+func (s *selector) BoolX(ctx context.Context) bool {
+	v, err := s.Bool(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// withHooks invokes the builder operation with the given hooks, if any.
+func withHooks[V Value, M any, PM interface {
+	*M
+	Mutation
+}](ctx context.Context, exec func(context.Context) (V, error), mutation PM, hooks []Hook) (value V, err error) {
+	if len(hooks) == 0 {
+		return exec(ctx)
+	}
+	var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
+		mutationT, ok := any(m).(PM)
+		if !ok {
+			return nil, fmt.Errorf("unexpected mutation type %T", m)
+		}
+		// Set the mutation to the builder.
+		*mutation = *mutationT
+		return exec(ctx)
+	})
+	for i := len(hooks) - 1; i >= 0; i-- {
+		if hooks[i] == nil {
+			return value, fmt.Errorf("ent: uninitialized hook (forgotten import ent/runtime?)")
+		}
+		mut = hooks[i](mut)
+	}
+	v, err := mut.Mutate(ctx, mutation)
+	if err != nil {
+		return value, err
+	}
+	nv, ok := v.(V)
+	if !ok {
+		return value, fmt.Errorf("unexpected node type %T returned from %T", v, mutation)
+	}
+	return nv, nil
+}
+
+// setContextOp returns a new context with the given QueryContext attached (including its op) in case it does not exist.
+func setContextOp(ctx context.Context, qc *QueryContext, op string) context.Context {
+	if ent.QueryFromContext(ctx) == nil {
+		qc.Op = op
+		ctx = ent.NewQueryContext(ctx, qc)
+	}
+	return ctx
+}
+
+func querierAll[V Value, Q interface {
+	sqlAll(context.Context, ...queryHook) (V, error)
+}]() Querier {
+	return QuerierFunc(func(ctx context.Context, q Query) (Value, error) {
+		query, ok := q.(Q)
+		if !ok {
+			return nil, fmt.Errorf("unexpected query type %T", q)
+		}
+		return query.sqlAll(ctx)
+	})
+}
+
+func querierCount[Q interface {
+	sqlCount(context.Context) (int, error)
+}]() Querier {
+	return QuerierFunc(func(ctx context.Context, q Query) (Value, error) {
+		query, ok := q.(Q)
+		if !ok {
+			return nil, fmt.Errorf("unexpected query type %T", q)
+		}
+		return query.sqlCount(ctx)
+	})
+}
+
+func withInterceptors[V Value](ctx context.Context, q Query, qr Querier, inters []Interceptor) (v V, err error) {
+	for i := len(inters) - 1; i >= 0; i-- {
+		qr = inters[i].Intercept(qr)
+	}
+	rv, err := qr.Query(ctx, q)
+	if err != nil {
+		return v, err
+	}
+	vt, ok := rv.(V)
+	if !ok {
+		return v, fmt.Errorf("unexpected type %T returned from %T. expected type: %T", vt, q, v)
+	}
+	return vt, nil
+}
+
+func scanWithInterceptors[Q1 ent.Query, Q2 interface {
+	sqlScan(context.Context, Q1, any) error
+}](ctx context.Context, rootQuery Q1, selectOrGroup Q2, inters []Interceptor, v any) error {
+	rv := reflect.ValueOf(v)
+	var qr Querier = QuerierFunc(func(ctx context.Context, q Query) (Value, error) {
+		query, ok := q.(Q1)
+		if !ok {
+			return nil, fmt.Errorf("unexpected query type %T", q)
+		}
+		if err := selectOrGroup.sqlScan(ctx, query, v); err != nil {
+			return nil, err
+		}
+		if k := rv.Kind(); k == reflect.Pointer && rv.Elem().CanInterface() {
+			return rv.Elem().Interface(), nil
+		}
+		return v, nil
+	})
+	for i := len(inters) - 1; i >= 0; i-- {
+		qr = inters[i].Intercept(qr)
+	}
+	vv, err := qr.Query(ctx, rootQuery)
+	if err != nil {
+		return err
+	}
+	switch rv2 := reflect.ValueOf(vv); {
+	case rv.IsNil(), rv2.IsNil(), rv.Kind() != reflect.Pointer:
+	case rv.Type() == rv2.Type():
+		rv.Elem().Set(rv2.Elem())
+	case rv.Elem().Type() == rv2.Type():
+		rv.Elem().Set(rv2)
+	}
+	return nil
+}
+
+// queryHook describes an internal hook for the different sqlAll methods.
+type queryHook func(context.Context, *sqlgraph.QuerySpec)

entc/integration/migrate/entv1/enttest/enttest.go

@@ -0,0 +1,88 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package enttest
+
+import (
+	"context"
+
+	"entgo.io/ent/entc/integration/migrate/entv1"
+	// required by schema hooks.
+	_ "entgo.io/ent/entc/integration/migrate/entv1/runtime"
+
+	"entgo.io/ent/dialect/sql/schema"
+	"entgo.io/ent/entc/integration/migrate/entv1/migrate"
+)
+
+type (
+	// TestingT is the interface that is shared between
+	// testing.T and testing.B and used by enttest.
+	TestingT interface {
+		FailNow()
+		Error(...any)
+	}
+
+	// Option configures client creation.
+	Option func(*options)
+
+	options struct {
+		opts        []entv1.Option
+		migrateOpts []schema.MigrateOption
+	}
+)
+
+// WithOptions forwards options to client creation.
+func WithOptions(opts ...entv1.Option) Option {
+	return func(o *options) {
+		o.opts = append(o.opts, opts...)
+	}
+}
+
+// WithMigrateOptions forwards options to auto migration.
+func WithMigrateOptions(opts ...schema.MigrateOption) Option {
+	return func(o *options) {
+		o.migrateOpts = append(o.migrateOpts, opts...)
+	}
+}
+
+func newOptions(opts []Option) *options {
+	o := &options{}
+	for _, opt := range opts {
+		opt(o)
+	}
+	return o
+}
+
+// Open calls entv1.Open and auto-run migration.
+func Open(t TestingT, driverName, dataSourceName string, opts ...Option) *entv1.Client {
+	o := newOptions(opts)
+	c, err := entv1.Open(driverName, dataSourceName, o.opts...)
+	if err != nil {
+		t.Error(err)
+		t.FailNow()
+	}
+	migrateSchema(t, c, o)
+	return c
+}
+
+// NewClient calls entv1.NewClient and auto-run migration.
+func NewClient(t TestingT, opts ...Option) *entv1.Client {
+	o := newOptions(opts)
+	c := entv1.NewClient(o.opts...)
+	migrateSchema(t, c, o)
+	return c
+}
+func migrateSchema(t TestingT, c *entv1.Client, o *options) {
+	tables, err := schema.CopyTables(migrate.Tables)
+	if err != nil {
+		t.Error(err)
+		t.FailNow()
+	}
+	if err := migrate.Create(context.Background(), c.Schema, tables, o.migrateOpts...); err != nil {
+		t.Error(err)
+		t.FailNow()
+	}
+}

entc/integration/migrate/entv1/generate.go

@@ -0,0 +1,7 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+package entv1
+
+//go:generate go run -mod=mod entgo.io/ent/cmd/ent generate --header "// Copyright 2019-present Facebook Inc. All rights reserved.\n// This source code is licensed under the Apache 2.0 license found\n// in the LICENSE file in the root directory of this source tree.\n\n// Code generated by ent, DO NOT EDIT." ./schema

entc/integration/migrate/entv1/hook/hook.go

@@ -0,0 +1,239 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package hook
+
+import (
+	"context"
+	"fmt"
+
+	"entgo.io/ent/entc/integration/migrate/entv1"
+)
+
+// The CarFunc type is an adapter to allow the use of ordinary
+// function as Car mutator.
+type CarFunc func(context.Context, *entv1.CarMutation) (entv1.Value, error)
+
+// Mutate calls f(ctx, m).
+func (f CarFunc) Mutate(ctx context.Context, m entv1.Mutation) (entv1.Value, error) {
+	if mv, ok := m.(*entv1.CarMutation); ok {
+		return f(ctx, mv)
+	}
+	return nil, fmt.Errorf("unexpected mutation type %T. expect *entv1.CarMutation", m)
+}
+
+// The ConversionFunc type is an adapter to allow the use of ordinary
+// function as Conversion mutator.
+type ConversionFunc func(context.Context, *entv1.ConversionMutation) (entv1.Value, error)
+
+// Mutate calls f(ctx, m).
+func (f ConversionFunc) Mutate(ctx context.Context, m entv1.Mutation) (entv1.Value, error) {
+	if mv, ok := m.(*entv1.ConversionMutation); ok {
+		return f(ctx, mv)
+	}
+	return nil, fmt.Errorf("unexpected mutation type %T. expect *entv1.ConversionMutation", m)
+}
+
+// The CustomTypeFunc type is an adapter to allow the use of ordinary
+// function as CustomType mutator.
+type CustomTypeFunc func(context.Context, *entv1.CustomTypeMutation) (entv1.Value, error)
+
+// Mutate calls f(ctx, m).
+func (f CustomTypeFunc) Mutate(ctx context.Context, m entv1.Mutation) (entv1.Value, error) {
+	if mv, ok := m.(*entv1.CustomTypeMutation); ok {
+		return f(ctx, mv)
+	}
+	return nil, fmt.Errorf("unexpected mutation type %T. expect *entv1.CustomTypeMutation", m)
+}
+
+// The UserFunc type is an adapter to allow the use of ordinary
+// function as User mutator.
+type UserFunc func(context.Context, *entv1.UserMutation) (entv1.Value, error)
+
+// Mutate calls f(ctx, m).
+func (f UserFunc) Mutate(ctx context.Context, m entv1.Mutation) (entv1.Value, error) {
+	if mv, ok := m.(*entv1.UserMutation); ok {
+		return f(ctx, mv)
+	}
+	return nil, fmt.Errorf("unexpected mutation type %T. expect *entv1.UserMutation", m)
+}
+
+// Condition is a hook condition function.
+type Condition func(context.Context, entv1.Mutation) bool
+
+// And groups conditions with the AND operator.
+func And(first, second Condition, rest ...Condition) Condition {
+	return func(ctx context.Context, m entv1.Mutation) bool {
+		if !first(ctx, m) || !second(ctx, m) {
+			return false
+		}
+		for _, cond := range rest {
+			if !cond(ctx, m) {
+				return false
+			}
+		}
+		return true
+	}
+}
+
+// Or groups conditions with the OR operator.
+func Or(first, second Condition, rest ...Condition) Condition {
+	return func(ctx context.Context, m entv1.Mutation) bool {
+		if first(ctx, m) || second(ctx, m) {
+			return true
+		}
+		for _, cond := range rest {
+			if cond(ctx, m) {
+				return true
+			}
+		}
+		return false
+	}
+}
+
+// Not negates a given condition.
+func Not(cond Condition) Condition {
+	return func(ctx context.Context, m entv1.Mutation) bool {
+		return !cond(ctx, m)
+	}
+}
+
+// HasOp is a condition testing mutation operation.
+func HasOp(op entv1.Op) Condition {
+	return func(_ context.Context, m entv1.Mutation) bool {
+		return m.Op().Is(op)
+	}
+}
+
+// HasAddedFields is a condition validating `.AddedField` on fields.
+func HasAddedFields(field string, fields ...string) Condition {
+	return func(_ context.Context, m entv1.Mutation) bool {
+		if _, exists := m.AddedField(field); !exists {
+			return false
+		}
+		for _, field := range fields {
+			if _, exists := m.AddedField(field); !exists {
+				return false
+			}
+		}
+		return true
+	}
+}
+
+// HasClearedFields is a condition validating `.FieldCleared` on fields.
+func HasClearedFields(field string, fields ...string) Condition {
+	return func(_ context.Context, m entv1.Mutation) bool {
+		if exists := m.FieldCleared(field); !exists {
+			return false
+		}
+		for _, field := range fields {
+			if exists := m.FieldCleared(field); !exists {
+				return false
+			}
+		}
+		return true
+	}
+}
+
+// HasFields is a condition validating `.Field` on fields.
+func HasFields(field string, fields ...string) Condition {
+	return func(_ context.Context, m entv1.Mutation) bool {
+		if _, exists := m.Field(field); !exists {
+			return false
+		}
+		for _, field := range fields {
+			if _, exists := m.Field(field); !exists {
+				return false
+			}
+		}
+		return true
+	}
+}
+
+// If executes the given hook under condition.
+//
+//	hook.If(ComputeAverage, And(HasFields(...), HasAddedFields(...)))
+func If(hk entv1.Hook, cond Condition) entv1.Hook {
+	return func(next entv1.Mutator) entv1.Mutator {
+		return entv1.MutateFunc(func(ctx context.Context, m entv1.Mutation) (entv1.Value, error) {
+			if cond(ctx, m) {
+				return hk(next).Mutate(ctx, m)
+			}
+			return next.Mutate(ctx, m)
+		})
+	}
+}
+
+// On executes the given hook only for the given operation.
+//
+//	hook.On(Log, entv1.Delete|entv1.Create)
+func On(hk entv1.Hook, op entv1.Op) entv1.Hook {
+	return If(hk, HasOp(op))
+}
+
+// Unless skips the given hook only for the given operation.
+//
+//	hook.Unless(Log, entv1.Update|entv1.UpdateOne)
+func Unless(hk entv1.Hook, op entv1.Op) entv1.Hook {
+	return If(hk, Not(HasOp(op)))
+}
+
+// FixedError is a hook returning a fixed error.
+func FixedError(err error) entv1.Hook {
+	return func(entv1.Mutator) entv1.Mutator {
+		return entv1.MutateFunc(func(context.Context, entv1.Mutation) (entv1.Value, error) {
+			return nil, err
+		})
+	}
+}
+
+// Reject returns a hook that rejects all operations that match op.
+//
+//	func (T) Hooks() []entv1.Hook {
+//		return []entv1.Hook{
+//			Reject(entv1.Delete|entv1.Update),
+//		}
+//	}
+func Reject(op entv1.Op) entv1.Hook {
+	hk := FixedError(fmt.Errorf("%s operation is not allowed", op))
+	return On(hk, op)
+}
+
+// Chain acts as a list of hooks and is effectively immutable.
+// Once created, it will always hold the same set of hooks in the same order.
+type Chain struct {
+	hooks []entv1.Hook
+}
+
+// NewChain creates a new chain of hooks.
+func NewChain(hooks ...entv1.Hook) Chain {
+	return Chain{append([]entv1.Hook(nil), hooks...)}
+}
+
+// Hook chains the list of hooks and returns the final hook.
+func (c Chain) Hook() entv1.Hook {
+	return func(mutator entv1.Mutator) entv1.Mutator {
+		for i := len(c.hooks) - 1; i >= 0; i-- {
+			mutator = c.hooks[i](mutator)
+		}
+		return mutator
+	}
+}
+
+// Append extends a chain, adding the specified hook
+// as the last ones in the mutation flow.
+func (c Chain) Append(hooks ...entv1.Hook) Chain {
+	newHooks := make([]entv1.Hook, 0, len(c.hooks)+len(hooks))
+	newHooks = append(newHooks, c.hooks...)
+	newHooks = append(newHooks, hooks...)
+	return Chain{newHooks}
+}
+
+// Extend extends a chain, adding the specified chain
+// as the last ones in the mutation flow.
+func (c Chain) Extend(chain Chain) Chain {
+	return c.Append(chain.hooks...)
+}

entc/integration/migrate/entv1/migrate/migrate.go

@@ -0,0 +1,68 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package migrate
+
+import (
+	"context"
+	"fmt"
+	"io"
+
+	"entgo.io/ent/dialect"
+	"entgo.io/ent/dialect/sql/schema"
+)
+
+var (
+	// WithGlobalUniqueID sets the universal ids options to the migration.
+	// If this option is enabled, ent migration will allocate a 1<<32 range
+	// for the ids of each entity (table).
+	// Note that this option cannot be applied on tables that already exist.
+	WithGlobalUniqueID = schema.WithGlobalUniqueID
+	// WithDropColumn sets the drop column option to the migration.
+	// If this option is enabled, ent migration will drop old columns
+	// that were used for both fields and edges. This defaults to false.
+	WithDropColumn = schema.WithDropColumn
+	// WithDropIndex sets the drop index option to the migration.
+	// If this option is enabled, ent migration will drop old indexes
+	// that were defined in the schema. This defaults to false.
+	// Note that unique constraints are defined using `UNIQUE INDEX`,
+	// and therefore, it's recommended to enable this option to get more
+	// flexibility in the schema changes.
+	WithDropIndex = schema.WithDropIndex
+	// WithForeignKeys enables creating foreign-key in schema DDL. This defaults to true.
+	WithForeignKeys = schema.WithForeignKeys
+)
+
+// Schema is the API for creating, migrating and dropping a schema.
+type Schema struct {
+	drv dialect.Driver
+}
+
+// NewSchema creates a new schema client.
+func NewSchema(drv dialect.Driver) *Schema { return &Schema{drv: drv} }
+
+// Create creates all schema resources.
+func (s *Schema) Create(ctx context.Context, opts ...schema.MigrateOption) error {
+	return Create(ctx, s, Tables, opts...)
+}
+
+// Create creates all table resources using the given schema driver.
+func Create(ctx context.Context, s *Schema, tables []*schema.Table, opts ...schema.MigrateOption) error {
+	migrate, err := schema.NewMigrate(s.drv, opts...)
+	if err != nil {
+		return fmt.Errorf("ent/migrate: %w", err)
+	}
+	return migrate.Create(ctx, tables...)
+}
+
+// WriteTo writes the schema changes to w instead of running them against the database.
+//
+//	if err := client.Schema.WriteTo(context.Background(), os.Stdout); err != nil {
+//		log.Fatal(err)
+//	}
+func (s *Schema) WriteTo(ctx context.Context, w io.Writer, opts ...schema.MigrateOption) error {
+	return Create(ctx, &Schema{drv: &schema.WriteDriver{Writer: w, Driver: s.drv}}, Tables, opts...)
+}

entc/integration/migrate/entv1/migrate/schema.go

@@ -0,0 +1,134 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package migrate
+
+import (
+	"entgo.io/ent/dialect/entsql"
+	"entgo.io/ent/dialect/sql/schema"
+	"entgo.io/ent/schema/field"
+)
+
+var (
+	// CarColumns holds the columns for the "Car" table.
+	CarColumns = []*schema.Column{
+		{Name: "id", Type: field.TypeInt, Increment: true},
+		{Name: "user_car", Type: field.TypeInt, Unique: true, Nullable: true},
+	}
+	// CarTable holds the schema information for the "Car" table.
+	CarTable = &schema.Table{
+		Name:       "Car",
+		Columns:    CarColumns,
+		PrimaryKey: []*schema.Column{CarColumns[0]},
+		ForeignKeys: []*schema.ForeignKey{
+			{
+				Symbol:     "Car_users_car",
+				Columns:    []*schema.Column{CarColumns[1]},
+				RefColumns: []*schema.Column{UsersColumns[0]},
+				OnDelete:   schema.SetNull,
+			},
+		},
+	}
+	// ConversionsColumns holds the columns for the "conversions" table.
+	ConversionsColumns = []*schema.Column{
+		{Name: "id", Type: field.TypeInt, Increment: true},
+		{Name: "name", Type: field.TypeString, Nullable: true},
+		{Name: "int8_to_string", Type: field.TypeInt8, Nullable: true},
+		{Name: "uint8_to_string", Type: field.TypeUint8, Nullable: true},
+		{Name: "int16_to_string", Type: field.TypeInt16, Nullable: true},
+		{Name: "uint16_to_string", Type: field.TypeUint16, Nullable: true},
+		{Name: "int32_to_string", Type: field.TypeInt32, Nullable: true},
+		{Name: "uint32_to_string", Type: field.TypeUint32, Nullable: true},
+		{Name: "int64_to_string", Type: field.TypeInt64, Nullable: true},
+		{Name: "uint64_to_string", Type: field.TypeUint64, Nullable: true},
+	}
+	// ConversionsTable holds the schema information for the "conversions" table.
+	ConversionsTable = &schema.Table{
+		Name:       "conversions",
+		Columns:    ConversionsColumns,
+		PrimaryKey: []*schema.Column{ConversionsColumns[0]},
+	}
+	// CustomTypesColumns holds the columns for the "custom_types" table.
+	CustomTypesColumns = []*schema.Column{
+		{Name: "id", Type: field.TypeInt, Increment: true},
+		{Name: "custom", Type: field.TypeString, Nullable: true, SchemaType: map[string]string{"postgres": "customtype"}},
+	}
+	// CustomTypesTable holds the schema information for the "custom_types" table.
+	CustomTypesTable = &schema.Table{
+		Name:       "custom_types",
+		Columns:    CustomTypesColumns,
+		PrimaryKey: []*schema.Column{CustomTypesColumns[0]},
+	}
+	// UsersColumns holds the columns for the "users" table.
+	UsersColumns = []*schema.Column{
+		{Name: "oid", Type: field.TypeInt, Increment: true},
+		{Name: "age", Type: field.TypeInt32},
+		{Name: "name", Type: field.TypeString, Size: 10},
+		{Name: "description", Type: field.TypeString, Nullable: true, Size: 2147483647},
+		{Name: "nickname", Type: field.TypeString, Unique: true},
+		{Name: "address", Type: field.TypeString, Nullable: true},
+		{Name: "renamed", Type: field.TypeString, Nullable: true},
+		{Name: "old_token", Type: field.TypeString},
+		{Name: "blob", Type: field.TypeBytes, Nullable: true, Size: 255},
+		{Name: "state", Type: field.TypeEnum, Nullable: true, Enums: []string{"logged_in", "logged_out"}, Default: "logged_in"},
+		{Name: "status", Type: field.TypeString, Nullable: true},
+		{Name: "workplace", Type: field.TypeString, Nullable: true, Size: 30},
+		{Name: "drop_optional", Type: field.TypeString, Nullable: true},
+		{Name: "user_children", Type: field.TypeInt, Nullable: true},
+		{Name: "user_spouse", Type: field.TypeInt, Unique: true, Nullable: true},
+	}
+	// UsersTable holds the schema information for the "users" table.
+	UsersTable = &schema.Table{
+		Name:       "users",
+		Columns:    UsersColumns,
+		PrimaryKey: []*schema.Column{UsersColumns[0]},
+		ForeignKeys: []*schema.ForeignKey{
+			{
+				Symbol:     "users_users_children",
+				Columns:    []*schema.Column{UsersColumns[13]},
+				RefColumns: []*schema.Column{UsersColumns[0]},
+				OnDelete:   schema.SetNull,
+			},
+			{
+				Symbol:     "users_users_spouse",
+				Columns:    []*schema.Column{UsersColumns[14]},
+				RefColumns: []*schema.Column{UsersColumns[0]},
+				OnDelete:   schema.SetNull,
+			},
+		},
+		Indexes: []*schema.Index{
+			{
+				Name:    "user_description",
+				Unique:  false,
+				Columns: []*schema.Column{UsersColumns[3]},
+				Annotation: &entsql.IndexAnnotation{
+					Prefix: 50,
+				},
+			},
+			{
+				Name:    "user_name_address",
+				Unique:  true,
+				Columns: []*schema.Column{UsersColumns[2], UsersColumns[5]},
+			},
+		},
+	}
+	// Tables holds all the tables in the schema.
+	Tables = []*schema.Table{
+		CarTable,
+		ConversionsTable,
+		CustomTypesTable,
+		UsersTable,
+	}
+)
+
+func init() {
+	CarTable.ForeignKeys[0].RefTable = UsersTable
+	CarTable.Annotation = &entsql.Annotation{
+		Table: "Car",
+	}
+	UsersTable.ForeignKeys[0].RefTable = UsersTable
+	UsersTable.ForeignKeys[1].RefTable = UsersTable
+}

entc/integration/migrate/entv1/mutation.go

@@ -0,0 +1,913 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package entv1
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"sync"
+
+	"entgo.io/ent"
+	"entgo.io/ent/entc/integration/migrate/entv1/car"
+	"entgo.io/ent/entc/integration/migrate/entv1/conversion"
+	"entgo.io/ent/entc/integration/migrate/entv1/customtype"
+	"entgo.io/ent/entc/integration/migrate/entv1/user"
+)
+
+const (
+	// Operation types.
+	OpCreate    = ent.OpCreate
+	OpDelete    = ent.OpDelete
+	OpDeleteOne = ent.OpDeleteOne
+	OpUpdate    = ent.OpUpdate
+	OpUpdateOne = ent.OpUpdateOne
+
+	// Node types.
+	TypeCar        = "Car"
+	TypeConversion = "Conversion"
+	TypeCustomType = "CustomType"
+	TypeUser       = "User"
+)
+
+// CarMutation represents an operation that mutates the Car nodes in the graph.
+type CarMutation struct {
+	car.Mutation
+	config
+	id       *int
+	done     bool
+	oldValue func(context.Context) (*Car, error)
+}
+
+var _ ent.Mutation = (*CarMutation)(nil)
+
+// carOption allows management of the mutation configuration using functional options.
+type carOption func(*CarMutation)
+
+// newCarMutation creates new mutation for the Car entity.
+func newCarMutation(c config, op Op, opts ...carOption) *CarMutation {
+	m := &CarMutation{
+		Mutation: *car.NewMutation(op),
+		config:   c,
+	}
+	for _, opt := range opts {
+		opt(m)
+	}
+	return m
+}
+
+// ID returns the ID value in the mutation. Note that the ID is only available
+// if it was provided to the builder or after it was returned from the database.
+func (m *CarMutation) ID() (id int, exists bool) {
+	if m.id == nil {
+		return
+	}
+	return *m.id, true
+}
+
+// withCarID sets the ID field of the mutation.
+func withCarID(id int) carOption {
+	return func(m *CarMutation) {
+		var (
+			err   error
+			once  sync.Once
+			value *Car
+		)
+		m.oldValue = func(ctx context.Context) (*Car, error) {
+			once.Do(func() {
+				if m.done {
+					err = errors.New("querying old values post mutation is not allowed")
+				} else {
+					value, err = m.Client().Car.Get(ctx, id)
+				}
+			})
+			return value, err
+		}
+		m.id = &id
+	}
+}
+
+// withCar sets the old Car of the mutation.
+func withCar(node *Car) carOption {
+	return func(m *CarMutation) {
+		m.oldValue = func(context.Context) (*Car, error) {
+			return node, nil
+		}
+		m.id = &node.ID
+	}
+}
+
+// Client returns a new `ent.Client` from the mutation. If the mutation was
+// executed in a transaction (ent.Tx), a transactional client is returned.
+func (m CarMutation) Client() *Client {
+	client := &Client{config: m.config}
+	client.init()
+	return client
+}
+
+// Tx returns an `ent.Tx` for mutations that were executed in transactions;
+// it returns an error otherwise.
+func (m CarMutation) Tx() (*Tx, error) {
+	if _, ok := m.driver.(*txDriver); !ok {
+		return nil, errors.New("entv1: mutation is not running in a transaction")
+	}
+	tx := &Tx{config: m.config}
+	tx.init()
+	return tx, nil
+}
+
+// IDs queries the database and returns the entity ids that match the mutation's predicate.
+// That means, if the mutation is applied within a transaction with an isolation level such
+// as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated
+// or updated by the mutation.
+func (m *CarMutation) IDs(ctx context.Context) ([]int, error) {
+	switch {
+	case m.Op().Is(OpUpdateOne | OpDeleteOne):
+		id, exists := m.ID()
+		if exists {
+			return []int{id}, nil
+		}
+		fallthrough
+	case m.Op().Is(OpUpdate | OpDelete):
+		return m.Client().Car.Query().Where(m.Predicates()...).IDs(ctx)
+	default:
+		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.Op())
+	}
+}
+
+// OldField returns the old value of the field from the database. An error is
+// returned if the mutation operation is not UpdateOne, or the query to the
+// database failed.
+func (m *CarMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
+	return nil, fmt.Errorf("unknown Car field %s", name)
+}
+
+// ConversionMutation represents an operation that mutates the Conversion nodes in the graph.
+type ConversionMutation struct {
+	conversion.Mutation
+	config
+	id       *int
+	done     bool
+	oldValue func(context.Context) (*Conversion, error)
+}
+
+var _ ent.Mutation = (*ConversionMutation)(nil)
+
+// conversionOption allows management of the mutation configuration using functional options.
+type conversionOption func(*ConversionMutation)
+
+// newConversionMutation creates new mutation for the Conversion entity.
+func newConversionMutation(c config, op Op, opts ...conversionOption) *ConversionMutation {
+	m := &ConversionMutation{
+		Mutation: *conversion.NewMutation(op),
+		config:   c,
+	}
+	for _, opt := range opts {
+		opt(m)
+	}
+	return m
+}
+
+// ID returns the ID value in the mutation. Note that the ID is only available
+// if it was provided to the builder or after it was returned from the database.
+func (m *ConversionMutation) ID() (id int, exists bool) {
+	if m.id == nil {
+		return
+	}
+	return *m.id, true
+}
+
+// withConversionID sets the ID field of the mutation.
+func withConversionID(id int) conversionOption {
+	return func(m *ConversionMutation) {
+		var (
+			err   error
+			once  sync.Once
+			value *Conversion
+		)
+		m.oldValue = func(ctx context.Context) (*Conversion, error) {
+			once.Do(func() {
+				if m.done {
+					err = errors.New("querying old values post mutation is not allowed")
+				} else {
+					value, err = m.Client().Conversion.Get(ctx, id)
+				}
+			})
+			return value, err
+		}
+		m.id = &id
+	}
+}
+
+// withConversion sets the old Conversion of the mutation.
+func withConversion(node *Conversion) conversionOption {
+	return func(m *ConversionMutation) {
+		m.oldValue = func(context.Context) (*Conversion, error) {
+			return node, nil
+		}
+		m.id = &node.ID
+	}
+}
+
+// Client returns a new `ent.Client` from the mutation. If the mutation was
+// executed in a transaction (ent.Tx), a transactional client is returned.
+func (m ConversionMutation) Client() *Client {
+	client := &Client{config: m.config}
+	client.init()
+	return client
+}
+
+// Tx returns an `ent.Tx` for mutations that were executed in transactions;
+// it returns an error otherwise.
+func (m ConversionMutation) Tx() (*Tx, error) {
+	if _, ok := m.driver.(*txDriver); !ok {
+		return nil, errors.New("entv1: mutation is not running in a transaction")
+	}
+	tx := &Tx{config: m.config}
+	tx.init()
+	return tx, nil
+}
+
+// IDs queries the database and returns the entity ids that match the mutation's predicate.
+// That means, if the mutation is applied within a transaction with an isolation level such
+// as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated
+// or updated by the mutation.
+func (m *ConversionMutation) IDs(ctx context.Context) ([]int, error) {
+	switch {
+	case m.Op().Is(OpUpdateOne | OpDeleteOne):
+		id, exists := m.ID()
+		if exists {
+			return []int{id}, nil
+		}
+		fallthrough
+	case m.Op().Is(OpUpdate | OpDelete):
+		return m.Client().Conversion.Query().Where(m.Predicates()...).IDs(ctx)
+	default:
+		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.Op())
+	}
+}
+
+// OldName returns the old "name" field's value of the Conversion entity.
+// If the Conversion object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *ConversionMutation) OldName(ctx context.Context) (v string, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldName is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldName requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldName: %w", err)
+	}
+	return oldValue.Name, nil
+}
+
+// OldInt8ToString returns the old "int8_to_string" field's value of the Conversion entity.
+// If the Conversion object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *ConversionMutation) OldInt8ToString(ctx context.Context) (v int8, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldInt8ToString is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldInt8ToString requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldInt8ToString: %w", err)
+	}
+	return oldValue.Int8ToString, nil
+}
+
+// OldUint8ToString returns the old "uint8_to_string" field's value of the Conversion entity.
+// If the Conversion object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *ConversionMutation) OldUint8ToString(ctx context.Context) (v uint8, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldUint8ToString is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldUint8ToString requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldUint8ToString: %w", err)
+	}
+	return oldValue.Uint8ToString, nil
+}
+
+// OldInt16ToString returns the old "int16_to_string" field's value of the Conversion entity.
+// If the Conversion object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *ConversionMutation) OldInt16ToString(ctx context.Context) (v int16, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldInt16ToString is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldInt16ToString requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldInt16ToString: %w", err)
+	}
+	return oldValue.Int16ToString, nil
+}
+
+// OldUint16ToString returns the old "uint16_to_string" field's value of the Conversion entity.
+// If the Conversion object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *ConversionMutation) OldUint16ToString(ctx context.Context) (v uint16, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldUint16ToString is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldUint16ToString requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldUint16ToString: %w", err)
+	}
+	return oldValue.Uint16ToString, nil
+}
+
+// OldInt32ToString returns the old "int32_to_string" field's value of the Conversion entity.
+// If the Conversion object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *ConversionMutation) OldInt32ToString(ctx context.Context) (v int32, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldInt32ToString is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldInt32ToString requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldInt32ToString: %w", err)
+	}
+	return oldValue.Int32ToString, nil
+}
+
+// OldUint32ToString returns the old "uint32_to_string" field's value of the Conversion entity.
+// If the Conversion object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *ConversionMutation) OldUint32ToString(ctx context.Context) (v uint32, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldUint32ToString is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldUint32ToString requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldUint32ToString: %w", err)
+	}
+	return oldValue.Uint32ToString, nil
+}
+
+// OldInt64ToString returns the old "int64_to_string" field's value of the Conversion entity.
+// If the Conversion object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *ConversionMutation) OldInt64ToString(ctx context.Context) (v int64, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldInt64ToString is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldInt64ToString requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldInt64ToString: %w", err)
+	}
+	return oldValue.Int64ToString, nil
+}
+
+// OldUint64ToString returns the old "uint64_to_string" field's value of the Conversion entity.
+// If the Conversion object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *ConversionMutation) OldUint64ToString(ctx context.Context) (v uint64, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldUint64ToString is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldUint64ToString requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldUint64ToString: %w", err)
+	}
+	return oldValue.Uint64ToString, nil
+}
+
+// OldField returns the old value of the field from the database. An error is
+// returned if the mutation operation is not UpdateOne, or the query to the
+// database failed.
+func (m *ConversionMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
+	switch name {
+	case conversion.FieldName:
+		return m.OldName(ctx)
+	case conversion.FieldInt8ToString:
+		return m.OldInt8ToString(ctx)
+	case conversion.FieldUint8ToString:
+		return m.OldUint8ToString(ctx)
+	case conversion.FieldInt16ToString:
+		return m.OldInt16ToString(ctx)
+	case conversion.FieldUint16ToString:
+		return m.OldUint16ToString(ctx)
+	case conversion.FieldInt32ToString:
+		return m.OldInt32ToString(ctx)
+	case conversion.FieldUint32ToString:
+		return m.OldUint32ToString(ctx)
+	case conversion.FieldInt64ToString:
+		return m.OldInt64ToString(ctx)
+	case conversion.FieldUint64ToString:
+		return m.OldUint64ToString(ctx)
+	}
+	return nil, fmt.Errorf("unknown Conversion field %s", name)
+}
+
+// CustomTypeMutation represents an operation that mutates the CustomType nodes in the graph.
+type CustomTypeMutation struct {
+	customtype.Mutation
+	config
+	id       *int
+	done     bool
+	oldValue func(context.Context) (*CustomType, error)
+}
+
+var _ ent.Mutation = (*CustomTypeMutation)(nil)
+
+// customtypeOption allows management of the mutation configuration using functional options.
+type customtypeOption func(*CustomTypeMutation)
+
+// newCustomTypeMutation creates new mutation for the CustomType entity.
+func newCustomTypeMutation(c config, op Op, opts ...customtypeOption) *CustomTypeMutation {
+	m := &CustomTypeMutation{
+		Mutation: *customtype.NewMutation(op),
+		config:   c,
+	}
+	for _, opt := range opts {
+		opt(m)
+	}
+	return m
+}
+
+// ID returns the ID value in the mutation. Note that the ID is only available
+// if it was provided to the builder or after it was returned from the database.
+func (m *CustomTypeMutation) ID() (id int, exists bool) {
+	if m.id == nil {
+		return
+	}
+	return *m.id, true
+}
+
+// withCustomTypeID sets the ID field of the mutation.
+func withCustomTypeID(id int) customtypeOption {
+	return func(m *CustomTypeMutation) {
+		var (
+			err   error
+			once  sync.Once
+			value *CustomType
+		)
+		m.oldValue = func(ctx context.Context) (*CustomType, error) {
+			once.Do(func() {
+				if m.done {
+					err = errors.New("querying old values post mutation is not allowed")
+				} else {
+					value, err = m.Client().CustomType.Get(ctx, id)
+				}
+			})
+			return value, err
+		}
+		m.id = &id
+	}
+}
+
+// withCustomType sets the old CustomType of the mutation.
+func withCustomType(node *CustomType) customtypeOption {
+	return func(m *CustomTypeMutation) {
+		m.oldValue = func(context.Context) (*CustomType, error) {
+			return node, nil
+		}
+		m.id = &node.ID
+	}
+}
+
+// Client returns a new `ent.Client` from the mutation. If the mutation was
+// executed in a transaction (ent.Tx), a transactional client is returned.
+func (m CustomTypeMutation) Client() *Client {
+	client := &Client{config: m.config}
+	client.init()
+	return client
+}
+
+// Tx returns an `ent.Tx` for mutations that were executed in transactions;
+// it returns an error otherwise.
+func (m CustomTypeMutation) Tx() (*Tx, error) {
+	if _, ok := m.driver.(*txDriver); !ok {
+		return nil, errors.New("entv1: mutation is not running in a transaction")
+	}
+	tx := &Tx{config: m.config}
+	tx.init()
+	return tx, nil
+}
+
+// IDs queries the database and returns the entity ids that match the mutation's predicate.
+// That means, if the mutation is applied within a transaction with an isolation level such
+// as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated
+// or updated by the mutation.
+func (m *CustomTypeMutation) IDs(ctx context.Context) ([]int, error) {
+	switch {
+	case m.Op().Is(OpUpdateOne | OpDeleteOne):
+		id, exists := m.ID()
+		if exists {
+			return []int{id}, nil
+		}
+		fallthrough
+	case m.Op().Is(OpUpdate | OpDelete):
+		return m.Client().CustomType.Query().Where(m.Predicates()...).IDs(ctx)
+	default:
+		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.Op())
+	}
+}
+
+// OldCustom returns the old "custom" field's value of the CustomType entity.
+// If the CustomType object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *CustomTypeMutation) OldCustom(ctx context.Context) (v string, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldCustom is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldCustom requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldCustom: %w", err)
+	}
+	return oldValue.Custom, nil
+}
+
+// OldField returns the old value of the field from the database. An error is
+// returned if the mutation operation is not UpdateOne, or the query to the
+// database failed.
+func (m *CustomTypeMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
+	switch name {
+	case customtype.FieldCustom:
+		return m.OldCustom(ctx)
+	}
+	return nil, fmt.Errorf("unknown CustomType field %s", name)
+}
+
+// UserMutation represents an operation that mutates the User nodes in the graph.
+type UserMutation struct {
+	user.Mutation
+	config
+	id       *int
+	done     bool
+	oldValue func(context.Context) (*User, error)
+}
+
+var _ ent.Mutation = (*UserMutation)(nil)
+
+// userOption allows management of the mutation configuration using functional options.
+type userOption func(*UserMutation)
+
+// newUserMutation creates new mutation for the User entity.
+func newUserMutation(c config, op Op, opts ...userOption) *UserMutation {
+	m := &UserMutation{
+		Mutation: *user.NewMutation(op),
+		config:   c,
+	}
+	for _, opt := range opts {
+		opt(m)
+	}
+	return m
+}
+
+// SetID sets the value of the id field. Note that this
+// operation is only accepted on creation of User entities.
+func (m *UserMutation) SetID(id int) {
+	m.id = &id
+}
+
+// ID returns the ID value in the mutation. Note that the ID is only available
+// if it was provided to the builder or after it was returned from the database.
+func (m *UserMutation) ID() (id int, exists bool) {
+	if m.id == nil {
+		return
+	}
+	return *m.id, true
+}
+
+// withUserID sets the ID field of the mutation.
+func withUserID(id int) userOption {
+	return func(m *UserMutation) {
+		var (
+			err   error
+			once  sync.Once
+			value *User
+		)
+		m.oldValue = func(ctx context.Context) (*User, error) {
+			once.Do(func() {
+				if m.done {
+					err = errors.New("querying old values post mutation is not allowed")
+				} else {
+					value, err = m.Client().User.Get(ctx, id)
+				}
+			})
+			return value, err
+		}
+		m.id = &id
+	}
+}
+
+// withUser sets the old User of the mutation.
+func withUser(node *User) userOption {
+	return func(m *UserMutation) {
+		m.oldValue = func(context.Context) (*User, error) {
+			return node, nil
+		}
+		m.id = &node.ID
+	}
+}
+
+// Client returns a new `ent.Client` from the mutation. If the mutation was
+// executed in a transaction (ent.Tx), a transactional client is returned.
+func (m UserMutation) Client() *Client {
+	client := &Client{config: m.config}
+	client.init()
+	return client
+}
+
+// Tx returns an `ent.Tx` for mutations that were executed in transactions;
+// it returns an error otherwise.
+func (m UserMutation) Tx() (*Tx, error) {
+	if _, ok := m.driver.(*txDriver); !ok {
+		return nil, errors.New("entv1: mutation is not running in a transaction")
+	}
+	tx := &Tx{config: m.config}
+	tx.init()
+	return tx, nil
+}
+
+// IDs queries the database and returns the entity ids that match the mutation's predicate.
+// That means, if the mutation is applied within a transaction with an isolation level such
+// as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated
+// or updated by the mutation.
+func (m *UserMutation) IDs(ctx context.Context) ([]int, error) {
+	switch {
+	case m.Op().Is(OpUpdateOne | OpDeleteOne):
+		id, exists := m.ID()
+		if exists {
+			return []int{id}, nil
+		}
+		fallthrough
+	case m.Op().Is(OpUpdate | OpDelete):
+		return m.Client().User.Query().Where(m.Predicates()...).IDs(ctx)
+	default:
+		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.Op())
+	}
+}
+
+// OldAge returns the old "age" field's value of the User entity.
+// If the User object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *UserMutation) OldAge(ctx context.Context) (v int32, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldAge is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldAge requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldAge: %w", err)
+	}
+	return oldValue.Age, nil
+}
+
+// OldName returns the old "name" field's value of the User entity.
+// If the User object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *UserMutation) OldName(ctx context.Context) (v string, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldName is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldName requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldName: %w", err)
+	}
+	return oldValue.Name, nil
+}
+
+// OldDescription returns the old "description" field's value of the User entity.
+// If the User object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *UserMutation) OldDescription(ctx context.Context) (v string, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldDescription is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldDescription requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldDescription: %w", err)
+	}
+	return oldValue.Description, nil
+}
+
+// OldNickname returns the old "nickname" field's value of the User entity.
+// If the User object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *UserMutation) OldNickname(ctx context.Context) (v string, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldNickname is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldNickname requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldNickname: %w", err)
+	}
+	return oldValue.Nickname, nil
+}
+
+// OldAddress returns the old "address" field's value of the User entity.
+// If the User object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *UserMutation) OldAddress(ctx context.Context) (v string, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldAddress is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldAddress requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldAddress: %w", err)
+	}
+	return oldValue.Address, nil
+}
+
+// OldRenamed returns the old "renamed" field's value of the User entity.
+// If the User object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *UserMutation) OldRenamed(ctx context.Context) (v string, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldRenamed is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldRenamed requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldRenamed: %w", err)
+	}
+	return oldValue.Renamed, nil
+}
+
+// OldOldToken returns the old "old_token" field's value of the User entity.
+// If the User object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *UserMutation) OldOldToken(ctx context.Context) (v string, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldOldToken is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldOldToken requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldOldToken: %w", err)
+	}
+	return oldValue.OldToken, nil
+}
+
+// OldBlob returns the old "blob" field's value of the User entity.
+// If the User object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *UserMutation) OldBlob(ctx context.Context) (v []byte, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldBlob is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldBlob requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldBlob: %w", err)
+	}
+	return oldValue.Blob, nil
+}
+
+// OldState returns the old "state" field's value of the User entity.
+// If the User object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *UserMutation) OldState(ctx context.Context) (v user.State, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldState is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldState requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldState: %w", err)
+	}
+	return oldValue.State, nil
+}
+
+// OldStatus returns the old "status" field's value of the User entity.
+// If the User object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *UserMutation) OldStatus(ctx context.Context) (v string, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldStatus is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldStatus requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldStatus: %w", err)
+	}
+	return oldValue.Status, nil
+}
+
+// OldWorkplace returns the old "workplace" field's value of the User entity.
+// If the User object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *UserMutation) OldWorkplace(ctx context.Context) (v string, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldWorkplace is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldWorkplace requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldWorkplace: %w", err)
+	}
+	return oldValue.Workplace, nil
+}
+
+// OldDropOptional returns the old "drop_optional" field's value of the User entity.
+// If the User object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *UserMutation) OldDropOptional(ctx context.Context) (v string, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldDropOptional is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldDropOptional requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldDropOptional: %w", err)
+	}
+	return oldValue.DropOptional, nil
+}
+
+// OldField returns the old value of the field from the database. An error is
+// returned if the mutation operation is not UpdateOne, or the query to the
+// database failed.
+func (m *UserMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
+	switch name {
+	case user.FieldAge:
+		return m.OldAge(ctx)
+	case user.FieldName:
+		return m.OldName(ctx)
+	case user.FieldDescription:
+		return m.OldDescription(ctx)
+	case user.FieldNickname:
+		return m.OldNickname(ctx)
+	case user.FieldAddress:
+		return m.OldAddress(ctx)
+	case user.FieldRenamed:
+		return m.OldRenamed(ctx)
+	case user.FieldOldToken:
+		return m.OldOldToken(ctx)
+	case user.FieldBlob:
+		return m.OldBlob(ctx)
+	case user.FieldState:
+		return m.OldState(ctx)
+	case user.FieldStatus:
+		return m.OldStatus(ctx)
+	case user.FieldWorkplace:
+		return m.OldWorkplace(ctx)
+	case user.FieldDropOptional:
+		return m.OldDropOptional(ctx)
+	}
+	return nil, fmt.Errorf("unknown User field %s", name)
+}

entc/integration/migrate/entv1/predicate/predicate.go

@@ -0,0 +1,23 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package predicate
+
+import (
+	"entgo.io/ent/dialect/sql"
+)
+
+// Car is the predicate function for car builders.
+type Car func(*sql.Selector)
+
+// Conversion is the predicate function for conversion builders.
+type Conversion func(*sql.Selector)
+
+// CustomType is the predicate function for customtype builders.
+type CustomType func(*sql.Selector)
+
+// User is the predicate function for user builders.
+type User func(*sql.Selector)

entc/integration/migrate/entv1/runtime.go

@@ -0,0 +1,36 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package entv1
+
+import (
+	"entgo.io/ent/entc/integration/migrate/entv1/schema"
+	"entgo.io/ent/entc/integration/migrate/entv1/user"
+)
+
+// The init function reads all schema descriptors with runtime code
+// (default values, validators, hooks and policies) and stitches it
+// to their package variables.
+func init() {
+	userFields := schema.User{}.Fields()
+	_ = userFields
+	// userDescName is the schema descriptor for name field.
+	userDescName := userFields[2].Descriptor()
+	// user.NameValidator is a validator for the "name" field. It is called by the builders before save.
+	user.NameValidator = userDescName.Validators[0].(func(string) error)
+	// userDescOldToken is the schema descriptor for old_token field.
+	userDescOldToken := userFields[7].Descriptor()
+	// user.DefaultOldToken holds the default value on creation for the old_token field.
+	user.DefaultOldToken = userDescOldToken.Default.(func() string)
+	// userDescBlob is the schema descriptor for blob field.
+	userDescBlob := userFields[8].Descriptor()
+	// user.BlobValidator is a validator for the "blob" field. It is called by the builders before save.
+	user.BlobValidator = userDescBlob.Validators[0].(func([]byte) error)
+	// userDescWorkplace is the schema descriptor for workplace field.
+	userDescWorkplace := userFields[11].Descriptor()
+	// user.WorkplaceValidator is a validator for the "workplace" field. It is called by the builders before save.
+	user.WorkplaceValidator = userDescWorkplace.Validators[0].(func(string) error)
+}

entc/integration/migrate/entv1/runtime/runtime.go

@@ -0,0 +1,13 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package runtime
+
+// The schema-stitching logic is generated in entgo.io/ent/entc/integration/migrate/entv1/runtime.go
+
+const (
+	Version = "v0.0.0-00010101000000-000000000000" // Version of ent codegen.
+)

entc/integration/migrate/entv1/schema/conversion.go

@@ -0,0 +1,39 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+package schema
+
+import (
+	"entgo.io/ent"
+	"entgo.io/ent/schema/field"
+)
+
+// Conversion holds the schema definition for the Conversion entity.
+type Conversion struct {
+	ent.Schema
+}
+
+// Fields of the Conversion.
+func (Conversion) Fields() []ent.Field {
+	return []ent.Field{
+		field.String("name").
+			Optional(),
+		field.Int8("int8_to_string").
+			Optional(),
+		field.Uint8("uint8_to_string").
+			Optional(),
+		field.Int16("int16_to_string").
+			Optional(),
+		field.Uint16("uint16_to_string").
+			Optional(),
+		field.Int32("int32_to_string").
+			Optional(),
+		field.Uint32("uint32_to_string").
+			Optional(),
+		field.Int64("int64_to_string").
+			Optional(),
+		field.Uint64("uint64_to_string").
+			Optional(),
+	}
+}

entc/integration/migrate/entv1/schema/customtype.go

@@ -0,0 +1,27 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+package schema
+
+import (
+	"entgo.io/ent"
+	"entgo.io/ent/dialect"
+	"entgo.io/ent/schema/field"
+)
+
+// CustomType holds the schema definition for the CustomType entity.
+type CustomType struct {
+	ent.Schema
+}
+
+// Fields of the CustomType.
+func (CustomType) Fields() []ent.Field {
+	return []ent.Field{
+		field.String("custom").
+			Optional().
+			SchemaType(map[string]string{
+				dialect.Postgres: "customtype",
+			}),
+	}
+}

entc/integration/migrate/entv1/schema/user.go

@@ -0,0 +1,95 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+package schema
+
+import (
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/entsql"
+	"entgo.io/ent/schema"
+	"entgo.io/ent/schema/edge"
+	"entgo.io/ent/schema/field"
+	"entgo.io/ent/schema/index"
+	"github.com/google/uuid"
+)
+
+// User holds the schema definition for the User entity.
+type User struct {
+	ent.Schema
+}
+
+// Fields of the User.
+func (User) Fields() []ent.Field {
+	return []ent.Field{
+		field.Int("id").
+			StorageKey("oid"),
+		field.Int32("age"),
+		field.String("name").
+			MaxLen(10),
+		field.Text("description").
+			Optional(),
+		field.String("nickname").
+			Unique(),
+		field.String("address").
+			Optional(),
+		field.String("renamed").
+			Optional(),
+		field.String("old_token").
+			DefaultFunc(uuid.NewString),
+		field.Bytes("blob").
+			Optional().
+			MaxLen(255),
+		field.Enum("state").
+			Optional().
+			Values("logged_in", "logged_out").
+			Default("logged_in"),
+		field.String("status").
+			Optional(),
+		field.String("workplace").
+			MaxLen(30).
+			Optional(),
+		field.String("drop_optional").
+			Optional(),
+	}
+}
+
+func (User) Edges() []ent.Edge {
+	return []ent.Edge{
+		edge.To("children", User.Type).
+			From("parent").
+			Unique(),
+		edge.To("spouse", User.Type).
+			Unique(),
+		edge.To("car", Car.Type).
+			Unique(),
+	}
+}
+
+func (User) Indexes() []ent.Index {
+	return []ent.Index{
+		index.Fields("description").
+			Annotations(entsql.Prefix(50)),
+		index.Fields("name", "address").
+			Unique(),
+	}
+}
+
+type Car struct {
+	ent.Schema
+}
+
+// Annotations of the Car.
+func (Car) Annotations() []schema.Annotation {
+	return []schema.Annotation{
+		entsql.Annotation{Table: "Car"},
+	}
+}
+
+func (Car) Edges() []ent.Edge {
+	return []ent.Edge{
+		edge.From("owner", User.Type).
+			Ref("car").
+			Unique(),
+	}
+}

entc/integration/migrate/entv1/tx.go

@@ -0,0 +1,223 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package entv1
+
+import (
+	"context"
+	"sync"
+
+	"entgo.io/ent/dialect"
+)
+
+// Tx is a transactional client that is created by calling Client.Tx().
+type Tx struct {
+	config
+	// Car is the client for interacting with the Car builders.
+	Car *CarClient
+	// Conversion is the client for interacting with the Conversion builders.
+	Conversion *ConversionClient
+	// CustomType is the client for interacting with the CustomType builders.
+	CustomType *CustomTypeClient
+	// User is the client for interacting with the User builders.
+	User *UserClient
+
+	// lazily loaded.
+	client     *Client
+	clientOnce sync.Once
+	// ctx lives for the life of the transaction. It is
+	// the same context used by the underlying connection.
+	ctx context.Context
+}
+
+type (
+	// Committer is the interface that wraps the Commit method.
+	Committer interface {
+		Commit(context.Context, *Tx) error
+	}
+
+	// The CommitFunc type is an adapter to allow the use of ordinary
+	// function as a Committer. If f is a function with the appropriate
+	// signature, CommitFunc(f) is a Committer that calls f.
+	CommitFunc func(context.Context, *Tx) error
+
+	// CommitHook defines the "commit middleware". A function that gets a Committer
+	// and returns a Committer. For example:
+	//
+	//	hook := func(next ent.Committer) ent.Committer {
+	//		return ent.CommitFunc(func(ctx context.Context, tx *ent.Tx) error {
+	//			// Do some stuff before.
+	//			if err := next.Commit(ctx, tx); err != nil {
+	//				return err
+	//			}
+	//			// Do some stuff after.
+	//			return nil
+	//		})
+	//	}
+	//
+	CommitHook func(Committer) Committer
+)
+
+// Commit calls f(ctx, m).
+func (f CommitFunc) Commit(ctx context.Context, tx *Tx) error {
+	return f(ctx, tx)
+}
+
+// Commit commits the transaction.
+func (tx *Tx) Commit() error {
+	txDriver := tx.config.driver.(*txDriver)
+	var fn Committer = CommitFunc(func(context.Context, *Tx) error {
+		return txDriver.tx.Commit()
+	})
+	txDriver.mu.Lock()
+	hooks := append([]CommitHook(nil), txDriver.onCommit...)
+	txDriver.mu.Unlock()
+	for i := len(hooks) - 1; i >= 0; i-- {
+		fn = hooks[i](fn)
+	}
+	return fn.Commit(tx.ctx, tx)
+}
+
+// OnCommit adds a hook to call on commit.
+func (tx *Tx) OnCommit(f CommitHook) {
+	txDriver := tx.config.driver.(*txDriver)
+	txDriver.mu.Lock()
+	txDriver.onCommit = append(txDriver.onCommit, f)
+	txDriver.mu.Unlock()
+}
+
+type (
+	// Rollbacker is the interface that wraps the Rollback method.
+	Rollbacker interface {
+		Rollback(context.Context, *Tx) error
+	}
+
+	// The RollbackFunc type is an adapter to allow the use of ordinary
+	// function as a Rollbacker. If f is a function with the appropriate
+	// signature, RollbackFunc(f) is a Rollbacker that calls f.
+	RollbackFunc func(context.Context, *Tx) error
+
+	// RollbackHook defines the "rollback middleware". A function that gets a Rollbacker
+	// and returns a Rollbacker. For example:
+	//
+	//	hook := func(next ent.Rollbacker) ent.Rollbacker {
+	//		return ent.RollbackFunc(func(ctx context.Context, tx *ent.Tx) error {
+	//			// Do some stuff before.
+	//			if err := next.Rollback(ctx, tx); err != nil {
+	//				return err
+	//			}
+	//			// Do some stuff after.
+	//			return nil
+	//		})
+	//	}
+	//
+	RollbackHook func(Rollbacker) Rollbacker
+)
+
+// Rollback calls f(ctx, m).
+func (f RollbackFunc) Rollback(ctx context.Context, tx *Tx) error {
+	return f(ctx, tx)
+}
+
+// Rollback rollbacks the transaction.
+func (tx *Tx) Rollback() error {
+	txDriver := tx.config.driver.(*txDriver)
+	var fn Rollbacker = RollbackFunc(func(context.Context, *Tx) error {
+		return txDriver.tx.Rollback()
+	})
+	txDriver.mu.Lock()
+	hooks := append([]RollbackHook(nil), txDriver.onRollback...)
+	txDriver.mu.Unlock()
+	for i := len(hooks) - 1; i >= 0; i-- {
+		fn = hooks[i](fn)
+	}
+	return fn.Rollback(tx.ctx, tx)
+}
+
+// OnRollback adds a hook to call on rollback.
+func (tx *Tx) OnRollback(f RollbackHook) {
+	txDriver := tx.config.driver.(*txDriver)
+	txDriver.mu.Lock()
+	txDriver.onRollback = append(txDriver.onRollback, f)
+	txDriver.mu.Unlock()
+}
+
+// Client returns a Client that binds to current transaction.
+func (tx *Tx) Client() *Client {
+	tx.clientOnce.Do(func() {
+		tx.client = &Client{config: tx.config}
+		tx.client.init()
+	})
+	return tx.client
+}
+
+func (tx *Tx) init() {
+	tx.Car = NewCarClient(tx.config)
+	tx.Conversion = NewConversionClient(tx.config)
+	tx.CustomType = NewCustomTypeClient(tx.config)
+	tx.User = NewUserClient(tx.config)
+}
+
+// txDriver wraps the given dialect.Tx with a nop dialect.Driver implementation.
+// The idea is to support transactions without adding any extra code to the builders.
+// When a builder calls to driver.Tx(), it gets the same dialect.Tx instance.
+// Commit and Rollback are nop for the internal builders and the user must call one
+// of them in order to commit or rollback the transaction.
+//
+// If a closed transaction is embedded in one of the generated entities, and the entity
+// applies a query, for example: Car.QueryXXX(), the query will be executed
+// through the driver which created this transaction.
+//
+// Note that txDriver is not goroutine safe.
+type txDriver struct {
+	// the driver we started the transaction from.
+	drv dialect.Driver
+	// tx is the underlying transaction.
+	tx dialect.Tx
+	// completion hooks.
+	mu         sync.Mutex
+	onCommit   []CommitHook
+	onRollback []RollbackHook
+}
+
+// newTx creates a new transactional driver.
+func newTx(ctx context.Context, drv dialect.Driver) (*txDriver, error) {
+	tx, err := drv.Tx(ctx)
+	if err != nil {
+		return nil, err
+	}
+	return &txDriver{tx: tx, drv: drv}, nil
+}
+
+// Tx returns the transaction wrapper (txDriver) to avoid Commit or Rollback calls
+// from the internal builders. Should be called only by the internal builders.
+func (tx *txDriver) Tx(context.Context) (dialect.Tx, error) { return tx, nil }
+
+// Dialect returns the dialect of the driver we started the transaction from.
+func (tx *txDriver) Dialect() string { return tx.drv.Dialect() }
+
+// Close is a nop close.
+func (*txDriver) Close() error { return nil }
+
+// Commit is a nop commit for the internal builders.
+// User must call `Tx.Commit` in order to commit the transaction.
+func (*txDriver) Commit() error { return nil }
+
+// Rollback is a nop rollback for the internal builders.
+// User must call `Tx.Rollback` in order to rollback the transaction.
+func (*txDriver) Rollback() error { return nil }
+
+// Exec calls tx.Exec.
+func (tx *txDriver) Exec(ctx context.Context, query string, args, v any) error {
+	return tx.tx.Exec(ctx, query, args, v)
+}
+
+// Query calls tx.Query.
+func (tx *txDriver) Query(ctx context.Context, query string, args, v any) error {
+	return tx.tx.Query(ctx, query, args, v)
+}
+
+var _ dialect.Driver = (*txDriver)(nil)

entc/integration/migrate/entv1/user.go

@@ -0,0 +1,331 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package entv1
+
+import (
+	"fmt"
+	"strings"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/entc/integration/migrate/entv1/car"
+	"entgo.io/ent/entc/integration/migrate/entv1/user"
+)
+
+// User is the model entity for the User schema.
+type User struct {
+	config `json:"-"`
+	// ID of the ent.
+	ID int `json:"id,omitempty"`
+	// Age holds the value of the "age" field.
+	Age int32 `json:"age,omitempty"`
+	// Name holds the value of the "name" field.
+	Name string `json:"name,omitempty"`
+	// Description holds the value of the "description" field.
+	Description string `json:"description,omitempty"`
+	// Nickname holds the value of the "nickname" field.
+	Nickname string `json:"nickname,omitempty"`
+	// Address holds the value of the "address" field.
+	Address string `json:"address,omitempty"`
+	// Renamed holds the value of the "renamed" field.
+	Renamed string `json:"renamed,omitempty"`
+	// OldToken holds the value of the "old_token" field.
+	OldToken string `json:"old_token,omitempty"`
+	// Blob holds the value of the "blob" field.
+	Blob []byte `json:"blob,omitempty"`
+	// State holds the value of the "state" field.
+	State user.State `json:"state,omitempty"`
+	// Status holds the value of the "status" field.
+	Status string `json:"status,omitempty"`
+	// Workplace holds the value of the "workplace" field.
+	Workplace string `json:"workplace,omitempty"`
+	// DropOptional holds the value of the "drop_optional" field.
+	DropOptional string `json:"drop_optional,omitempty"`
+	// Edges holds the relations/edges for other nodes in the graph.
+	// The values are being populated by the UserQuery when eager-loading is set.
+	Edges         UserEdges `json:"edges"`
+	user_children *int
+	user_spouse   *int
+	selectValues  sql.SelectValues
+}
+
+// UserEdges holds the relations/edges for other nodes in the graph.
+type UserEdges struct {
+	// Parent holds the value of the parent edge.
+	Parent *User `json:"parent,omitempty"`
+	// Children holds the value of the children edge.
+	Children []*User `json:"children,omitempty"`
+	// Spouse holds the value of the spouse edge.
+	Spouse *User `json:"spouse,omitempty"`
+	// Car holds the value of the car edge.
+	Car *Car `json:"car,omitempty"`
+	// loadedTypes holds the information for reporting if a
+	// type was loaded (or requested) in eager-loading or not.
+	loadedTypes [4]bool
+}
+
+// ParentOrErr returns the Parent value or an error if the edge
+// was not loaded in eager-loading, or loaded but was not found.
+func (e UserEdges) ParentOrErr() (*User, error) {
+	if e.Parent != nil {
+		return e.Parent, nil
+	} else if e.loadedTypes[0] {
+		return nil, &NotFoundError{label: user.Label}
+	}
+	return nil, &NotLoadedError{edge: "parent"}
+}
+
+// ChildrenOrErr returns the Children value or an error if the edge
+// was not loaded in eager-loading.
+func (e UserEdges) ChildrenOrErr() ([]*User, error) {
+	if e.loadedTypes[1] {
+		return e.Children, nil
+	}
+	return nil, &NotLoadedError{edge: "children"}
+}
+
+// SpouseOrErr returns the Spouse value or an error if the edge
+// was not loaded in eager-loading, or loaded but was not found.
+func (e UserEdges) SpouseOrErr() (*User, error) {
+	if e.Spouse != nil {
+		return e.Spouse, nil
+	} else if e.loadedTypes[2] {
+		return nil, &NotFoundError{label: user.Label}
+	}
+	return nil, &NotLoadedError{edge: "spouse"}
+}
+
+// CarOrErr returns the Car value or an error if the edge
+// was not loaded in eager-loading, or loaded but was not found.
+func (e UserEdges) CarOrErr() (*Car, error) {
+	if e.Car != nil {
+		return e.Car, nil
+	} else if e.loadedTypes[3] {
+		return nil, &NotFoundError{label: car.Label}
+	}
+	return nil, &NotLoadedError{edge: "car"}
+}
+
+// scanValues returns the types for scanning values from sql.Rows.
+func (*User) scanValues(columns []string) ([]any, error) {
+	values := make([]any, len(columns))
+	for i := range columns {
+		switch columns[i] {
+		case user.FieldBlob:
+			values[i] = new([]byte)
+		case user.FieldID, user.FieldAge:
+			values[i] = new(sql.NullInt64)
+		case user.FieldName, user.FieldDescription, user.FieldNickname, user.FieldAddress, user.FieldRenamed, user.FieldOldToken, user.FieldState, user.FieldStatus, user.FieldWorkplace, user.FieldDropOptional:
+			values[i] = new(sql.NullString)
+		case user.ForeignKeys[0]: // user_children
+			values[i] = new(sql.NullInt64)
+		case user.ForeignKeys[1]: // user_spouse
+			values[i] = new(sql.NullInt64)
+		default:
+			values[i] = new(sql.UnknownType)
+		}
+	}
+	return values, nil
+}
+
+// assignValues assigns the values that were returned from sql.Rows (after scanning)
+// to the User fields.
+func (_m *User) assignValues(columns []string, values []any) error {
+	if m, n := len(values), len(columns); m < n {
+		return fmt.Errorf("mismatch number of scan values: %d != %d", m, n)
+	}
+	for i := range columns {
+		switch columns[i] {
+		case user.FieldID:
+			value, ok := values[i].(*sql.NullInt64)
+			if !ok {
+				return fmt.Errorf("unexpected type %T for field id", value)
+			}
+			_m.ID = int(value.Int64)
+		case user.FieldAge:
+			if value, ok := values[i].(*sql.NullInt64); !ok {
+				return fmt.Errorf("unexpected type %T for field age", values[i])
+			} else if value.Valid {
+				_m.Age = int32(value.Int64)
+			}
+		case user.FieldName:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field name", values[i])
+			} else if value.Valid {
+				_m.Name = value.String
+			}
+		case user.FieldDescription:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field description", values[i])
+			} else if value.Valid {
+				_m.Description = value.String
+			}
+		case user.FieldNickname:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field nickname", values[i])
+			} else if value.Valid {
+				_m.Nickname = value.String
+			}
+		case user.FieldAddress:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field address", values[i])
+			} else if value.Valid {
+				_m.Address = value.String
+			}
+		case user.FieldRenamed:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field renamed", values[i])
+			} else if value.Valid {
+				_m.Renamed = value.String
+			}
+		case user.FieldOldToken:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field old_token", values[i])
+			} else if value.Valid {
+				_m.OldToken = value.String
+			}
+		case user.FieldBlob:
+			if value, ok := values[i].(*[]byte); !ok {
+				return fmt.Errorf("unexpected type %T for field blob", values[i])
+			} else if value != nil {
+				_m.Blob = *value
+			}
+		case user.FieldState:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field state", values[i])
+			} else if value.Valid {
+				_m.State = user.State(value.String)
+			}
+		case user.FieldStatus:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field status", values[i])
+			} else if value.Valid {
+				_m.Status = value.String
+			}
+		case user.FieldWorkplace:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field workplace", values[i])
+			} else if value.Valid {
+				_m.Workplace = value.String
+			}
+		case user.FieldDropOptional:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field drop_optional", values[i])
+			} else if value.Valid {
+				_m.DropOptional = value.String
+			}
+		case user.ForeignKeys[0]:
+			if value, ok := values[i].(*sql.NullInt64); !ok {
+				return fmt.Errorf("unexpected type %T for edge-field user_children", value)
+			} else if value.Valid {
+				_m.user_children = new(int)
+				*_m.user_children = int(value.Int64)
+			}
+		case user.ForeignKeys[1]:
+			if value, ok := values[i].(*sql.NullInt64); !ok {
+				return fmt.Errorf("unexpected type %T for edge-field user_spouse", value)
+			} else if value.Valid {
+				_m.user_spouse = new(int)
+				*_m.user_spouse = int(value.Int64)
+			}
+		default:
+			_m.selectValues.Set(columns[i], values[i])
+		}
+	}
+	return nil
+}
+
+// Value returns the ent.Value that was dynamically selected and assigned to the User.
+// This includes values selected through modifiers, order, etc.
+func (_m *User) Value(name string) (ent.Value, error) {
+	return _m.selectValues.Get(name)
+}
+
+// QueryParent queries the "parent" edge of the User entity.
+func (_m *User) QueryParent() *UserQuery {
+	return NewUserClient(_m.config).QueryParent(_m)
+}
+
+// QueryChildren queries the "children" edge of the User entity.
+func (_m *User) QueryChildren() *UserQuery {
+	return NewUserClient(_m.config).QueryChildren(_m)
+}
+
+// QuerySpouse queries the "spouse" edge of the User entity.
+func (_m *User) QuerySpouse() *UserQuery {
+	return NewUserClient(_m.config).QuerySpouse(_m)
+}
+
+// QueryCar queries the "car" edge of the User entity.
+func (_m *User) QueryCar() *CarQuery {
+	return NewUserClient(_m.config).QueryCar(_m)
+}
+
+// Update returns a builder for updating this User.
+// Note that you need to call User.Unwrap() before calling this method if this User
+// was returned from a transaction, and the transaction was committed or rolled back.
+func (_m *User) Update() *UserUpdateOne {
+	return NewUserClient(_m.config).UpdateOne(_m)
+}
+
+// Unwrap unwraps the User entity that was returned from a transaction after it was closed,
+// so that all future queries will be executed through the driver which created the transaction.
+func (_m *User) Unwrap() *User {
+	_tx, ok := _m.config.driver.(*txDriver)
+	if !ok {
+		panic("entv1: User is not a transactional entity")
+	}
+	_m.config.driver = _tx.drv
+	return _m
+}
+
+// String implements the fmt.Stringer.
+func (_m *User) String() string {
+	var builder strings.Builder
+	builder.WriteString("User(")
+	builder.WriteString(fmt.Sprintf("id=%v, ", _m.ID))
+	builder.WriteString("age=")
+	builder.WriteString(fmt.Sprintf("%v", _m.Age))
+	builder.WriteString(", ")
+	builder.WriteString("name=")
+	builder.WriteString(_m.Name)
+	builder.WriteString(", ")
+	builder.WriteString("description=")
+	builder.WriteString(_m.Description)
+	builder.WriteString(", ")
+	builder.WriteString("nickname=")
+	builder.WriteString(_m.Nickname)
+	builder.WriteString(", ")
+	builder.WriteString("address=")
+	builder.WriteString(_m.Address)
+	builder.WriteString(", ")
+	builder.WriteString("renamed=")
+	builder.WriteString(_m.Renamed)
+	builder.WriteString(", ")
+	builder.WriteString("old_token=")
+	builder.WriteString(_m.OldToken)
+	builder.WriteString(", ")
+	builder.WriteString("blob=")
+	builder.WriteString(fmt.Sprintf("%v", _m.Blob))
+	builder.WriteString(", ")
+	builder.WriteString("state=")
+	builder.WriteString(fmt.Sprintf("%v", _m.State))
+	builder.WriteString(", ")
+	builder.WriteString("status=")
+	builder.WriteString(_m.Status)
+	builder.WriteString(", ")
+	builder.WriteString("workplace=")
+	builder.WriteString(_m.Workplace)
+	builder.WriteString(", ")
+	builder.WriteString("drop_optional=")
+	builder.WriteString(_m.DropOptional)
+	builder.WriteByte(')')
+	return builder.String()
+}
+
+// Users is a parsable slice of User.
+type Users []*User

entc/integration/migrate/entv1/user/user.go

@@ -0,0 +1,278 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package user
+
+import (
+	"fmt"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+)
+
+const (
+	// Label holds the string label denoting the user type in the database.
+	Label = "user"
+	// FieldID holds the string denoting the id field in the database.
+	FieldID = "oid"
+	// FieldAge holds the string denoting the age field in the database.
+	FieldAge = "age"
+	// FieldName holds the string denoting the name field in the database.
+	FieldName = "name"
+	// FieldDescription holds the string denoting the description field in the database.
+	FieldDescription = "description"
+	// FieldNickname holds the string denoting the nickname field in the database.
+	FieldNickname = "nickname"
+	// FieldAddress holds the string denoting the address field in the database.
+	FieldAddress = "address"
+	// FieldRenamed holds the string denoting the renamed field in the database.
+	FieldRenamed = "renamed"
+	// FieldOldToken holds the string denoting the old_token field in the database.
+	FieldOldToken = "old_token"
+	// FieldBlob holds the string denoting the blob field in the database.
+	FieldBlob = "blob"
+	// FieldState holds the string denoting the state field in the database.
+	FieldState = "state"
+	// FieldStatus holds the string denoting the status field in the database.
+	FieldStatus = "status"
+	// FieldWorkplace holds the string denoting the workplace field in the database.
+	FieldWorkplace = "workplace"
+	// FieldDropOptional holds the string denoting the drop_optional field in the database.
+	FieldDropOptional = "drop_optional"
+	// EdgeParent holds the string denoting the parent edge name in mutations.
+	EdgeParent = "parent"
+	// EdgeChildren holds the string denoting the children edge name in mutations.
+	EdgeChildren = "children"
+	// EdgeSpouse holds the string denoting the spouse edge name in mutations.
+	EdgeSpouse = "spouse"
+	// EdgeCar holds the string denoting the car edge name in mutations.
+	EdgeCar = "car"
+	// CarFieldID holds the string denoting the ID field of the Car.
+	CarFieldID = "id"
+	// Table holds the table name of the user in the database.
+	Table = "users"
+	// ParentTable is the table that holds the parent relation/edge.
+	ParentTable = "users"
+	// ParentColumn is the table column denoting the parent relation/edge.
+	ParentColumn = "user_children"
+	// ChildrenTable is the table that holds the children relation/edge.
+	ChildrenTable = "users"
+	// ChildrenColumn is the table column denoting the children relation/edge.
+	ChildrenColumn = "user_children"
+	// SpouseTable is the table that holds the spouse relation/edge.
+	SpouseTable = "users"
+	// SpouseColumn is the table column denoting the spouse relation/edge.
+	SpouseColumn = "user_spouse"
+	// CarTable is the table that holds the car relation/edge.
+	CarTable = "Car"
+	// CarInverseTable is the table name for the Car entity.
+	// It exists in this package in order to avoid circular dependency with the "car" package.
+	CarInverseTable = "Car"
+	// CarColumn is the table column denoting the car relation/edge.
+	CarColumn = "user_car"
+)
+
+// Columns holds all SQL columns for user fields.
+var Columns = []string{
+	FieldID,
+	FieldAge,
+	FieldName,
+	FieldDescription,
+	FieldNickname,
+	FieldAddress,
+	FieldRenamed,
+	FieldOldToken,
+	FieldBlob,
+	FieldState,
+	FieldStatus,
+	FieldWorkplace,
+	FieldDropOptional,
+}
+
+// ForeignKeys holds the SQL foreign-keys that are owned by the "users"
+// table and are not defined as standalone fields in the schema.
+var ForeignKeys = []string{
+	"user_children",
+	"user_spouse",
+}
+
+// ValidColumn reports if the column name is valid (part of the table columns).
+func ValidColumn(column string) bool {
+	for i := range Columns {
+		if column == Columns[i] {
+			return true
+		}
+	}
+	for i := range ForeignKeys {
+		if column == ForeignKeys[i] {
+			return true
+		}
+	}
+	return false
+}
+
+var (
+	// NameValidator is a validator for the "name" field. It is called by the builders before save.
+	NameValidator func(string) error
+	// DefaultOldToken holds the default value on creation for the "old_token" field.
+	DefaultOldToken func() string
+	// BlobValidator is a validator for the "blob" field. It is called by the builders before save.
+	BlobValidator func([]byte) error
+	// WorkplaceValidator is a validator for the "workplace" field. It is called by the builders before save.
+	WorkplaceValidator func(string) error
+)
+
+// State defines the type for the "state" enum field.
+type State string
+
+// StateLoggedIn is the default value of the State enum.
+const DefaultState = StateLoggedIn
+
+// State values.
+const (
+	StateLoggedIn  State = "logged_in"
+	StateLoggedOut State = "logged_out"
+)
+
+func (s State) String() string {
+	return string(s)
+}
+
+// StateValidator is a validator for the "state" field enum values. It is called by the builders before save.
+func StateValidator(s State) error {
+	switch s {
+	case StateLoggedIn, StateLoggedOut:
+		return nil
+	default:
+		return fmt.Errorf("user: invalid enum value for state field: %q", s)
+	}
+}
+
+// OrderOption defines the ordering options for the User queries.
+type OrderOption func(*sql.Selector)
+
+// ByID orders the results by the id field.
+func ByID(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldID, opts...).ToFunc()
+}
+
+// ByAge orders the results by the age field.
+func ByAge(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldAge, opts...).ToFunc()
+}
+
+// ByName orders the results by the name field.
+func ByName(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldName, opts...).ToFunc()
+}
+
+// ByDescription orders the results by the description field.
+func ByDescription(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldDescription, opts...).ToFunc()
+}
+
+// ByNickname orders the results by the nickname field.
+func ByNickname(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldNickname, opts...).ToFunc()
+}
+
+// ByAddress orders the results by the address field.
+func ByAddress(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldAddress, opts...).ToFunc()
+}
+
+// ByRenamed orders the results by the renamed field.
+func ByRenamed(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldRenamed, opts...).ToFunc()
+}
+
+// ByOldToken orders the results by the old_token field.
+func ByOldToken(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldOldToken, opts...).ToFunc()
+}
+
+// ByState orders the results by the state field.
+func ByState(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldState, opts...).ToFunc()
+}
+
+// ByStatus orders the results by the status field.
+func ByStatus(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldStatus, opts...).ToFunc()
+}
+
+// ByWorkplace orders the results by the workplace field.
+func ByWorkplace(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldWorkplace, opts...).ToFunc()
+}
+
+// ByDropOptional orders the results by the drop_optional field.
+func ByDropOptional(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldDropOptional, opts...).ToFunc()
+}
+
+// ByParentField orders the results by parent field.
+func ByParentField(field string, opts ...sql.OrderTermOption) OrderOption {
+	return func(s *sql.Selector) {
+		sqlgraph.OrderByNeighborTerms(s, newParentStep(), sql.OrderByField(field, opts...))
+	}
+}
+
+// ByChildrenCount orders the results by children count.
+func ByChildrenCount(opts ...sql.OrderTermOption) OrderOption {
+	return func(s *sql.Selector) {
+		sqlgraph.OrderByNeighborsCount(s, newChildrenStep(), opts...)
+	}
+}
+
+// ByChildren orders the results by children terms.
+func ByChildren(term sql.OrderTerm, terms ...sql.OrderTerm) OrderOption {
+	return func(s *sql.Selector) {
+		sqlgraph.OrderByNeighborTerms(s, newChildrenStep(), append([]sql.OrderTerm{term}, terms...)...)
+	}
+}
+
+// BySpouseField orders the results by spouse field.
+func BySpouseField(field string, opts ...sql.OrderTermOption) OrderOption {
+	return func(s *sql.Selector) {
+		sqlgraph.OrderByNeighborTerms(s, newSpouseStep(), sql.OrderByField(field, opts...))
+	}
+}
+
+// ByCarField orders the results by car field.
+func ByCarField(field string, opts ...sql.OrderTermOption) OrderOption {
+	return func(s *sql.Selector) {
+		sqlgraph.OrderByNeighborTerms(s, newCarStep(), sql.OrderByField(field, opts...))
+	}
+}
+func newParentStep() *sqlgraph.Step {
+	return sqlgraph.NewStep(
+		sqlgraph.From(Table, FieldID),
+		sqlgraph.To(Table, FieldID),
+		sqlgraph.Edge(sqlgraph.M2O, true, ParentTable, ParentColumn),
+	)
+}
+func newChildrenStep() *sqlgraph.Step {
+	return sqlgraph.NewStep(
+		sqlgraph.From(Table, FieldID),
+		sqlgraph.To(Table, FieldID),
+		sqlgraph.Edge(sqlgraph.O2M, false, ChildrenTable, ChildrenColumn),
+	)
+}
+func newSpouseStep() *sqlgraph.Step {
+	return sqlgraph.NewStep(
+		sqlgraph.From(Table, FieldID),
+		sqlgraph.To(Table, FieldID),
+		sqlgraph.Edge(sqlgraph.O2O, false, SpouseTable, SpouseColumn),
+	)
+}
+func newCarStep() *sqlgraph.Step {
+	return sqlgraph.NewStep(
+		sqlgraph.From(Table, FieldID),
+		sqlgraph.To(CarInverseTable, CarFieldID),
+		sqlgraph.Edge(sqlgraph.O2O, false, CarTable, CarColumn),
+	)
+}

entc/integration/migrate/entv1/user/where.go

@@ -0,0 +1,985 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package user
+
+import (
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/entc/integration/migrate/entv1/predicate"
+)
+
+// ID filters vertices based on their ID field.
+func ID(id int) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldID, id))
+}
+
+// IDEQ applies the EQ predicate on the ID field.
+func IDEQ(id int) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldID, id))
+}
+
+// IDNEQ applies the NEQ predicate on the ID field.
+func IDNEQ(id int) predicate.User {
+	return predicate.User(sql.FieldNEQ(FieldID, id))
+}
+
+// IDIn applies the In predicate on the ID field.
+func IDIn(ids ...int) predicate.User {
+	return predicate.User(sql.FieldIn(FieldID, ids...))
+}
+
+// IDNotIn applies the NotIn predicate on the ID field.
+func IDNotIn(ids ...int) predicate.User {
+	return predicate.User(sql.FieldNotIn(FieldID, ids...))
+}
+
+// IDGT applies the GT predicate on the ID field.
+func IDGT(id int) predicate.User {
+	return predicate.User(sql.FieldGT(FieldID, id))
+}
+
+// IDGTE applies the GTE predicate on the ID field.
+func IDGTE(id int) predicate.User {
+	return predicate.User(sql.FieldGTE(FieldID, id))
+}
+
+// IDLT applies the LT predicate on the ID field.
+func IDLT(id int) predicate.User {
+	return predicate.User(sql.FieldLT(FieldID, id))
+}
+
+// IDLTE applies the LTE predicate on the ID field.
+func IDLTE(id int) predicate.User {
+	return predicate.User(sql.FieldLTE(FieldID, id))
+}
+
+// Age applies equality check predicate on the "age" field. It's identical to AgeEQ.
+func Age(v int32) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldAge, v))
+}
+
+// Name applies equality check predicate on the "name" field. It's identical to NameEQ.
+func Name(v string) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldName, v))
+}
+
+// Description applies equality check predicate on the "description" field. It's identical to DescriptionEQ.
+func Description(v string) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldDescription, v))
+}
+
+// Nickname applies equality check predicate on the "nickname" field. It's identical to NicknameEQ.
+func Nickname(v string) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldNickname, v))
+}
+
+// Address applies equality check predicate on the "address" field. It's identical to AddressEQ.
+func Address(v string) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldAddress, v))
+}
+
+// Renamed applies equality check predicate on the "renamed" field. It's identical to RenamedEQ.
+func Renamed(v string) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldRenamed, v))
+}
+
+// OldToken applies equality check predicate on the "old_token" field. It's identical to OldTokenEQ.
+func OldToken(v string) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldOldToken, v))
+}
+
+// Blob applies equality check predicate on the "blob" field. It's identical to BlobEQ.
+func Blob(v []byte) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldBlob, v))
+}
+
+// Status applies equality check predicate on the "status" field. It's identical to StatusEQ.
+func Status(v string) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldStatus, v))
+}
+
+// Workplace applies equality check predicate on the "workplace" field. It's identical to WorkplaceEQ.
+func Workplace(v string) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldWorkplace, v))
+}
+
+// DropOptional applies equality check predicate on the "drop_optional" field. It's identical to DropOptionalEQ.
+func DropOptional(v string) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldDropOptional, v))
+}
+
+// AgeEQ applies the EQ predicate on the "age" field.
+func AgeEQ(v int32) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldAge, v))
+}
+
+// AgeNEQ applies the NEQ predicate on the "age" field.
+func AgeNEQ(v int32) predicate.User {
+	return predicate.User(sql.FieldNEQ(FieldAge, v))
+}
+
+// AgeIn applies the In predicate on the "age" field.
+func AgeIn(vs ...int32) predicate.User {
+	return predicate.User(sql.FieldIn(FieldAge, vs...))
+}
+
+// AgeNotIn applies the NotIn predicate on the "age" field.
+func AgeNotIn(vs ...int32) predicate.User {
+	return predicate.User(sql.FieldNotIn(FieldAge, vs...))
+}
+
+// AgeGT applies the GT predicate on the "age" field.
+func AgeGT(v int32) predicate.User {
+	return predicate.User(sql.FieldGT(FieldAge, v))
+}
+
+// AgeGTE applies the GTE predicate on the "age" field.
+func AgeGTE(v int32) predicate.User {
+	return predicate.User(sql.FieldGTE(FieldAge, v))
+}
+
+// AgeLT applies the LT predicate on the "age" field.
+func AgeLT(v int32) predicate.User {
+	return predicate.User(sql.FieldLT(FieldAge, v))
+}
+
+// AgeLTE applies the LTE predicate on the "age" field.
+func AgeLTE(v int32) predicate.User {
+	return predicate.User(sql.FieldLTE(FieldAge, v))
+}
+
+// NameEQ applies the EQ predicate on the "name" field.
+func NameEQ(v string) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldName, v))
+}
+
+// NameNEQ applies the NEQ predicate on the "name" field.
+func NameNEQ(v string) predicate.User {
+	return predicate.User(sql.FieldNEQ(FieldName, v))
+}
+
+// NameIn applies the In predicate on the "name" field.
+func NameIn(vs ...string) predicate.User {
+	return predicate.User(sql.FieldIn(FieldName, vs...))
+}
+
+// NameNotIn applies the NotIn predicate on the "name" field.
+func NameNotIn(vs ...string) predicate.User {
+	return predicate.User(sql.FieldNotIn(FieldName, vs...))
+}
+
+// NameGT applies the GT predicate on the "name" field.
+func NameGT(v string) predicate.User {
+	return predicate.User(sql.FieldGT(FieldName, v))
+}
+
+// NameGTE applies the GTE predicate on the "name" field.
+func NameGTE(v string) predicate.User {
+	return predicate.User(sql.FieldGTE(FieldName, v))
+}
+
+// NameLT applies the LT predicate on the "name" field.
+func NameLT(v string) predicate.User {
+	return predicate.User(sql.FieldLT(FieldName, v))
+}
+
+// NameLTE applies the LTE predicate on the "name" field.
+func NameLTE(v string) predicate.User {
+	return predicate.User(sql.FieldLTE(FieldName, v))
+}
+
+// NameContains applies the Contains predicate on the "name" field.
+func NameContains(v string) predicate.User {
+	return predicate.User(sql.FieldContains(FieldName, v))
+}
+
+// NameHasPrefix applies the HasPrefix predicate on the "name" field.
+func NameHasPrefix(v string) predicate.User {
+	return predicate.User(sql.FieldHasPrefix(FieldName, v))
+}
+
+// NameHasSuffix applies the HasSuffix predicate on the "name" field.
+func NameHasSuffix(v string) predicate.User {
+	return predicate.User(sql.FieldHasSuffix(FieldName, v))
+}
+
+// NameEqualFold applies the EqualFold predicate on the "name" field.
+func NameEqualFold(v string) predicate.User {
+	return predicate.User(sql.FieldEqualFold(FieldName, v))
+}
+
+// NameContainsFold applies the ContainsFold predicate on the "name" field.
+func NameContainsFold(v string) predicate.User {
+	return predicate.User(sql.FieldContainsFold(FieldName, v))
+}
+
+// DescriptionEQ applies the EQ predicate on the "description" field.
+func DescriptionEQ(v string) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldDescription, v))
+}
+
+// DescriptionNEQ applies the NEQ predicate on the "description" field.
+func DescriptionNEQ(v string) predicate.User {
+	return predicate.User(sql.FieldNEQ(FieldDescription, v))
+}
+
+// DescriptionIn applies the In predicate on the "description" field.
+func DescriptionIn(vs ...string) predicate.User {
+	return predicate.User(sql.FieldIn(FieldDescription, vs...))
+}
+
+// DescriptionNotIn applies the NotIn predicate on the "description" field.
+func DescriptionNotIn(vs ...string) predicate.User {
+	return predicate.User(sql.FieldNotIn(FieldDescription, vs...))
+}
+
+// DescriptionGT applies the GT predicate on the "description" field.
+func DescriptionGT(v string) predicate.User {
+	return predicate.User(sql.FieldGT(FieldDescription, v))
+}
+
+// DescriptionGTE applies the GTE predicate on the "description" field.
+func DescriptionGTE(v string) predicate.User {
+	return predicate.User(sql.FieldGTE(FieldDescription, v))
+}
+
+// DescriptionLT applies the LT predicate on the "description" field.
+func DescriptionLT(v string) predicate.User {
+	return predicate.User(sql.FieldLT(FieldDescription, v))
+}
+
+// DescriptionLTE applies the LTE predicate on the "description" field.
+func DescriptionLTE(v string) predicate.User {
+	return predicate.User(sql.FieldLTE(FieldDescription, v))
+}
+
+// DescriptionContains applies the Contains predicate on the "description" field.
+func DescriptionContains(v string) predicate.User {
+	return predicate.User(sql.FieldContains(FieldDescription, v))
+}
+
+// DescriptionHasPrefix applies the HasPrefix predicate on the "description" field.
+func DescriptionHasPrefix(v string) predicate.User {
+	return predicate.User(sql.FieldHasPrefix(FieldDescription, v))
+}
+
+// DescriptionHasSuffix applies the HasSuffix predicate on the "description" field.
+func DescriptionHasSuffix(v string) predicate.User {
+	return predicate.User(sql.FieldHasSuffix(FieldDescription, v))
+}
+
+// DescriptionIsNil applies the IsNil predicate on the "description" field.
+func DescriptionIsNil() predicate.User {
+	return predicate.User(sql.FieldIsNull(FieldDescription))
+}
+
+// DescriptionNotNil applies the NotNil predicate on the "description" field.
+func DescriptionNotNil() predicate.User {
+	return predicate.User(sql.FieldNotNull(FieldDescription))
+}
+
+// DescriptionEqualFold applies the EqualFold predicate on the "description" field.
+func DescriptionEqualFold(v string) predicate.User {
+	return predicate.User(sql.FieldEqualFold(FieldDescription, v))
+}
+
+// DescriptionContainsFold applies the ContainsFold predicate on the "description" field.
+func DescriptionContainsFold(v string) predicate.User {
+	return predicate.User(sql.FieldContainsFold(FieldDescription, v))
+}
+
+// NicknameEQ applies the EQ predicate on the "nickname" field.
+func NicknameEQ(v string) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldNickname, v))
+}
+
+// NicknameNEQ applies the NEQ predicate on the "nickname" field.
+func NicknameNEQ(v string) predicate.User {
+	return predicate.User(sql.FieldNEQ(FieldNickname, v))
+}
+
+// NicknameIn applies the In predicate on the "nickname" field.
+func NicknameIn(vs ...string) predicate.User {
+	return predicate.User(sql.FieldIn(FieldNickname, vs...))
+}
+
+// NicknameNotIn applies the NotIn predicate on the "nickname" field.
+func NicknameNotIn(vs ...string) predicate.User {
+	return predicate.User(sql.FieldNotIn(FieldNickname, vs...))
+}
+
+// NicknameGT applies the GT predicate on the "nickname" field.
+func NicknameGT(v string) predicate.User {
+	return predicate.User(sql.FieldGT(FieldNickname, v))
+}
+
+// NicknameGTE applies the GTE predicate on the "nickname" field.
+func NicknameGTE(v string) predicate.User {
+	return predicate.User(sql.FieldGTE(FieldNickname, v))
+}
+
+// NicknameLT applies the LT predicate on the "nickname" field.
+func NicknameLT(v string) predicate.User {
+	return predicate.User(sql.FieldLT(FieldNickname, v))
+}
+
+// NicknameLTE applies the LTE predicate on the "nickname" field.
+func NicknameLTE(v string) predicate.User {
+	return predicate.User(sql.FieldLTE(FieldNickname, v))
+}
+
+// NicknameContains applies the Contains predicate on the "nickname" field.
+func NicknameContains(v string) predicate.User {
+	return predicate.User(sql.FieldContains(FieldNickname, v))
+}
+
+// NicknameHasPrefix applies the HasPrefix predicate on the "nickname" field.
+func NicknameHasPrefix(v string) predicate.User {
+	return predicate.User(sql.FieldHasPrefix(FieldNickname, v))
+}
+
+// NicknameHasSuffix applies the HasSuffix predicate on the "nickname" field.
+func NicknameHasSuffix(v string) predicate.User {
+	return predicate.User(sql.FieldHasSuffix(FieldNickname, v))
+}
+
+// NicknameEqualFold applies the EqualFold predicate on the "nickname" field.
+func NicknameEqualFold(v string) predicate.User {
+	return predicate.User(sql.FieldEqualFold(FieldNickname, v))
+}
+
+// NicknameContainsFold applies the ContainsFold predicate on the "nickname" field.
+func NicknameContainsFold(v string) predicate.User {
+	return predicate.User(sql.FieldContainsFold(FieldNickname, v))
+}
+
+// AddressEQ applies the EQ predicate on the "address" field.
+func AddressEQ(v string) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldAddress, v))
+}
+
+// AddressNEQ applies the NEQ predicate on the "address" field.
+func AddressNEQ(v string) predicate.User {
+	return predicate.User(sql.FieldNEQ(FieldAddress, v))
+}
+
+// AddressIn applies the In predicate on the "address" field.
+func AddressIn(vs ...string) predicate.User {
+	return predicate.User(sql.FieldIn(FieldAddress, vs...))
+}
+
+// AddressNotIn applies the NotIn predicate on the "address" field.
+func AddressNotIn(vs ...string) predicate.User {
+	return predicate.User(sql.FieldNotIn(FieldAddress, vs...))
+}
+
+// AddressGT applies the GT predicate on the "address" field.
+func AddressGT(v string) predicate.User {
+	return predicate.User(sql.FieldGT(FieldAddress, v))
+}
+
+// AddressGTE applies the GTE predicate on the "address" field.
+func AddressGTE(v string) predicate.User {
+	return predicate.User(sql.FieldGTE(FieldAddress, v))
+}
+
+// AddressLT applies the LT predicate on the "address" field.
+func AddressLT(v string) predicate.User {
+	return predicate.User(sql.FieldLT(FieldAddress, v))
+}
+
+// AddressLTE applies the LTE predicate on the "address" field.
+func AddressLTE(v string) predicate.User {
+	return predicate.User(sql.FieldLTE(FieldAddress, v))
+}
+
+// AddressContains applies the Contains predicate on the "address" field.
+func AddressContains(v string) predicate.User {
+	return predicate.User(sql.FieldContains(FieldAddress, v))
+}
+
+// AddressHasPrefix applies the HasPrefix predicate on the "address" field.
+func AddressHasPrefix(v string) predicate.User {
+	return predicate.User(sql.FieldHasPrefix(FieldAddress, v))
+}
+
+// AddressHasSuffix applies the HasSuffix predicate on the "address" field.
+func AddressHasSuffix(v string) predicate.User {
+	return predicate.User(sql.FieldHasSuffix(FieldAddress, v))
+}
+
+// AddressIsNil applies the IsNil predicate on the "address" field.
+func AddressIsNil() predicate.User {
+	return predicate.User(sql.FieldIsNull(FieldAddress))
+}
+
+// AddressNotNil applies the NotNil predicate on the "address" field.
+func AddressNotNil() predicate.User {
+	return predicate.User(sql.FieldNotNull(FieldAddress))
+}
+
+// AddressEqualFold applies the EqualFold predicate on the "address" field.
+func AddressEqualFold(v string) predicate.User {
+	return predicate.User(sql.FieldEqualFold(FieldAddress, v))
+}
+
+// AddressContainsFold applies the ContainsFold predicate on the "address" field.
+func AddressContainsFold(v string) predicate.User {
+	return predicate.User(sql.FieldContainsFold(FieldAddress, v))
+}
+
+// RenamedEQ applies the EQ predicate on the "renamed" field.
+func RenamedEQ(v string) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldRenamed, v))
+}
+
+// RenamedNEQ applies the NEQ predicate on the "renamed" field.
+func RenamedNEQ(v string) predicate.User {
+	return predicate.User(sql.FieldNEQ(FieldRenamed, v))
+}
+
+// RenamedIn applies the In predicate on the "renamed" field.
+func RenamedIn(vs ...string) predicate.User {
+	return predicate.User(sql.FieldIn(FieldRenamed, vs...))
+}
+
+// RenamedNotIn applies the NotIn predicate on the "renamed" field.
+func RenamedNotIn(vs ...string) predicate.User {
+	return predicate.User(sql.FieldNotIn(FieldRenamed, vs...))
+}
+
+// RenamedGT applies the GT predicate on the "renamed" field.
+func RenamedGT(v string) predicate.User {
+	return predicate.User(sql.FieldGT(FieldRenamed, v))
+}
+
+// RenamedGTE applies the GTE predicate on the "renamed" field.
+func RenamedGTE(v string) predicate.User {
+	return predicate.User(sql.FieldGTE(FieldRenamed, v))
+}
+
+// RenamedLT applies the LT predicate on the "renamed" field.
+func RenamedLT(v string) predicate.User {
+	return predicate.User(sql.FieldLT(FieldRenamed, v))
+}
+
+// RenamedLTE applies the LTE predicate on the "renamed" field.
+func RenamedLTE(v string) predicate.User {
+	return predicate.User(sql.FieldLTE(FieldRenamed, v))
+}
+
+// RenamedContains applies the Contains predicate on the "renamed" field.
+func RenamedContains(v string) predicate.User {
+	return predicate.User(sql.FieldContains(FieldRenamed, v))
+}
+
+// RenamedHasPrefix applies the HasPrefix predicate on the "renamed" field.
+func RenamedHasPrefix(v string) predicate.User {
+	return predicate.User(sql.FieldHasPrefix(FieldRenamed, v))
+}
+
+// RenamedHasSuffix applies the HasSuffix predicate on the "renamed" field.
+func RenamedHasSuffix(v string) predicate.User {
+	return predicate.User(sql.FieldHasSuffix(FieldRenamed, v))
+}
+
+// RenamedIsNil applies the IsNil predicate on the "renamed" field.
+func RenamedIsNil() predicate.User {
+	return predicate.User(sql.FieldIsNull(FieldRenamed))
+}
+
+// RenamedNotNil applies the NotNil predicate on the "renamed" field.
+func RenamedNotNil() predicate.User {
+	return predicate.User(sql.FieldNotNull(FieldRenamed))
+}
+
+// RenamedEqualFold applies the EqualFold predicate on the "renamed" field.
+func RenamedEqualFold(v string) predicate.User {
+	return predicate.User(sql.FieldEqualFold(FieldRenamed, v))
+}
+
+// RenamedContainsFold applies the ContainsFold predicate on the "renamed" field.
+func RenamedContainsFold(v string) predicate.User {
+	return predicate.User(sql.FieldContainsFold(FieldRenamed, v))
+}
+
+// OldTokenEQ applies the EQ predicate on the "old_token" field.
+func OldTokenEQ(v string) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldOldToken, v))
+}
+
+// OldTokenNEQ applies the NEQ predicate on the "old_token" field.
+func OldTokenNEQ(v string) predicate.User {
+	return predicate.User(sql.FieldNEQ(FieldOldToken, v))
+}
+
+// OldTokenIn applies the In predicate on the "old_token" field.
+func OldTokenIn(vs ...string) predicate.User {
+	return predicate.User(sql.FieldIn(FieldOldToken, vs...))
+}
+
+// OldTokenNotIn applies the NotIn predicate on the "old_token" field.
+func OldTokenNotIn(vs ...string) predicate.User {
+	return predicate.User(sql.FieldNotIn(FieldOldToken, vs...))
+}
+
+// OldTokenGT applies the GT predicate on the "old_token" field.
+func OldTokenGT(v string) predicate.User {
+	return predicate.User(sql.FieldGT(FieldOldToken, v))
+}
+
+// OldTokenGTE applies the GTE predicate on the "old_token" field.
+func OldTokenGTE(v string) predicate.User {
+	return predicate.User(sql.FieldGTE(FieldOldToken, v))
+}
+
+// OldTokenLT applies the LT predicate on the "old_token" field.
+func OldTokenLT(v string) predicate.User {
+	return predicate.User(sql.FieldLT(FieldOldToken, v))
+}
+
+// OldTokenLTE applies the LTE predicate on the "old_token" field.
+func OldTokenLTE(v string) predicate.User {
+	return predicate.User(sql.FieldLTE(FieldOldToken, v))
+}
+
+// OldTokenContains applies the Contains predicate on the "old_token" field.
+func OldTokenContains(v string) predicate.User {
+	return predicate.User(sql.FieldContains(FieldOldToken, v))
+}
+
+// OldTokenHasPrefix applies the HasPrefix predicate on the "old_token" field.
+func OldTokenHasPrefix(v string) predicate.User {
+	return predicate.User(sql.FieldHasPrefix(FieldOldToken, v))
+}
+
+// OldTokenHasSuffix applies the HasSuffix predicate on the "old_token" field.
+func OldTokenHasSuffix(v string) predicate.User {
+	return predicate.User(sql.FieldHasSuffix(FieldOldToken, v))
+}
+
+// OldTokenEqualFold applies the EqualFold predicate on the "old_token" field.
+func OldTokenEqualFold(v string) predicate.User {
+	return predicate.User(sql.FieldEqualFold(FieldOldToken, v))
+}
+
+// OldTokenContainsFold applies the ContainsFold predicate on the "old_token" field.
+func OldTokenContainsFold(v string) predicate.User {
+	return predicate.User(sql.FieldContainsFold(FieldOldToken, v))
+}
+
+// BlobEQ applies the EQ predicate on the "blob" field.
+func BlobEQ(v []byte) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldBlob, v))
+}
+
+// BlobNEQ applies the NEQ predicate on the "blob" field.
+func BlobNEQ(v []byte) predicate.User {
+	return predicate.User(sql.FieldNEQ(FieldBlob, v))
+}
+
+// BlobIn applies the In predicate on the "blob" field.
+func BlobIn(vs ...[]byte) predicate.User {
+	return predicate.User(sql.FieldIn(FieldBlob, vs...))
+}
+
+// BlobNotIn applies the NotIn predicate on the "blob" field.
+func BlobNotIn(vs ...[]byte) predicate.User {
+	return predicate.User(sql.FieldNotIn(FieldBlob, vs...))
+}
+
+// BlobGT applies the GT predicate on the "blob" field.
+func BlobGT(v []byte) predicate.User {
+	return predicate.User(sql.FieldGT(FieldBlob, v))
+}
+
+// BlobGTE applies the GTE predicate on the "blob" field.
+func BlobGTE(v []byte) predicate.User {
+	return predicate.User(sql.FieldGTE(FieldBlob, v))
+}
+
+// BlobLT applies the LT predicate on the "blob" field.
+func BlobLT(v []byte) predicate.User {
+	return predicate.User(sql.FieldLT(FieldBlob, v))
+}
+
+// BlobLTE applies the LTE predicate on the "blob" field.
+func BlobLTE(v []byte) predicate.User {
+	return predicate.User(sql.FieldLTE(FieldBlob, v))
+}
+
+// BlobIsNil applies the IsNil predicate on the "blob" field.
+func BlobIsNil() predicate.User {
+	return predicate.User(sql.FieldIsNull(FieldBlob))
+}
+
+// BlobNotNil applies the NotNil predicate on the "blob" field.
+func BlobNotNil() predicate.User {
+	return predicate.User(sql.FieldNotNull(FieldBlob))
+}
+
+// StateEQ applies the EQ predicate on the "state" field.
+func StateEQ(v State) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldState, v))
+}
+
+// StateNEQ applies the NEQ predicate on the "state" field.
+func StateNEQ(v State) predicate.User {
+	return predicate.User(sql.FieldNEQ(FieldState, v))
+}
+
+// StateIn applies the In predicate on the "state" field.
+func StateIn(vs ...State) predicate.User {
+	return predicate.User(sql.FieldIn(FieldState, vs...))
+}
+
+// StateNotIn applies the NotIn predicate on the "state" field.
+func StateNotIn(vs ...State) predicate.User {
+	return predicate.User(sql.FieldNotIn(FieldState, vs...))
+}
+
+// StateIsNil applies the IsNil predicate on the "state" field.
+func StateIsNil() predicate.User {
+	return predicate.User(sql.FieldIsNull(FieldState))
+}
+
+// StateNotNil applies the NotNil predicate on the "state" field.
+func StateNotNil() predicate.User {
+	return predicate.User(sql.FieldNotNull(FieldState))
+}
+
+// StatusEQ applies the EQ predicate on the "status" field.
+func StatusEQ(v string) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldStatus, v))
+}
+
+// StatusNEQ applies the NEQ predicate on the "status" field.
+func StatusNEQ(v string) predicate.User {
+	return predicate.User(sql.FieldNEQ(FieldStatus, v))
+}
+
+// StatusIn applies the In predicate on the "status" field.
+func StatusIn(vs ...string) predicate.User {
+	return predicate.User(sql.FieldIn(FieldStatus, vs...))
+}
+
+// StatusNotIn applies the NotIn predicate on the "status" field.
+func StatusNotIn(vs ...string) predicate.User {
+	return predicate.User(sql.FieldNotIn(FieldStatus, vs...))
+}
+
+// StatusGT applies the GT predicate on the "status" field.
+func StatusGT(v string) predicate.User {
+	return predicate.User(sql.FieldGT(FieldStatus, v))
+}
+
+// StatusGTE applies the GTE predicate on the "status" field.
+func StatusGTE(v string) predicate.User {
+	return predicate.User(sql.FieldGTE(FieldStatus, v))
+}
+
+// StatusLT applies the LT predicate on the "status" field.
+func StatusLT(v string) predicate.User {
+	return predicate.User(sql.FieldLT(FieldStatus, v))
+}
+
+// StatusLTE applies the LTE predicate on the "status" field.
+func StatusLTE(v string) predicate.User {
+	return predicate.User(sql.FieldLTE(FieldStatus, v))
+}
+
+// StatusContains applies the Contains predicate on the "status" field.
+func StatusContains(v string) predicate.User {
+	return predicate.User(sql.FieldContains(FieldStatus, v))
+}
+
+// StatusHasPrefix applies the HasPrefix predicate on the "status" field.
+func StatusHasPrefix(v string) predicate.User {
+	return predicate.User(sql.FieldHasPrefix(FieldStatus, v))
+}
+
+// StatusHasSuffix applies the HasSuffix predicate on the "status" field.
+func StatusHasSuffix(v string) predicate.User {
+	return predicate.User(sql.FieldHasSuffix(FieldStatus, v))
+}
+
+// StatusIsNil applies the IsNil predicate on the "status" field.
+func StatusIsNil() predicate.User {
+	return predicate.User(sql.FieldIsNull(FieldStatus))
+}
+
+// StatusNotNil applies the NotNil predicate on the "status" field.
+func StatusNotNil() predicate.User {
+	return predicate.User(sql.FieldNotNull(FieldStatus))
+}
+
+// StatusEqualFold applies the EqualFold predicate on the "status" field.
+func StatusEqualFold(v string) predicate.User {
+	return predicate.User(sql.FieldEqualFold(FieldStatus, v))
+}
+
+// StatusContainsFold applies the ContainsFold predicate on the "status" field.
+func StatusContainsFold(v string) predicate.User {
+	return predicate.User(sql.FieldContainsFold(FieldStatus, v))
+}
+
+// WorkplaceEQ applies the EQ predicate on the "workplace" field.
+func WorkplaceEQ(v string) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldWorkplace, v))
+}
+
+// WorkplaceNEQ applies the NEQ predicate on the "workplace" field.
+func WorkplaceNEQ(v string) predicate.User {
+	return predicate.User(sql.FieldNEQ(FieldWorkplace, v))
+}
+
+// WorkplaceIn applies the In predicate on the "workplace" field.
+func WorkplaceIn(vs ...string) predicate.User {
+	return predicate.User(sql.FieldIn(FieldWorkplace, vs...))
+}
+
+// WorkplaceNotIn applies the NotIn predicate on the "workplace" field.
+func WorkplaceNotIn(vs ...string) predicate.User {
+	return predicate.User(sql.FieldNotIn(FieldWorkplace, vs...))
+}
+
+// WorkplaceGT applies the GT predicate on the "workplace" field.
+func WorkplaceGT(v string) predicate.User {
+	return predicate.User(sql.FieldGT(FieldWorkplace, v))
+}
+
+// WorkplaceGTE applies the GTE predicate on the "workplace" field.
+func WorkplaceGTE(v string) predicate.User {
+	return predicate.User(sql.FieldGTE(FieldWorkplace, v))
+}
+
+// WorkplaceLT applies the LT predicate on the "workplace" field.
+func WorkplaceLT(v string) predicate.User {
+	return predicate.User(sql.FieldLT(FieldWorkplace, v))
+}
+
+// WorkplaceLTE applies the LTE predicate on the "workplace" field.
+func WorkplaceLTE(v string) predicate.User {
+	return predicate.User(sql.FieldLTE(FieldWorkplace, v))
+}
+
+// WorkplaceContains applies the Contains predicate on the "workplace" field.
+func WorkplaceContains(v string) predicate.User {
+	return predicate.User(sql.FieldContains(FieldWorkplace, v))
+}
+
+// WorkplaceHasPrefix applies the HasPrefix predicate on the "workplace" field.
+func WorkplaceHasPrefix(v string) predicate.User {
+	return predicate.User(sql.FieldHasPrefix(FieldWorkplace, v))
+}
+
+// WorkplaceHasSuffix applies the HasSuffix predicate on the "workplace" field.
+func WorkplaceHasSuffix(v string) predicate.User {
+	return predicate.User(sql.FieldHasSuffix(FieldWorkplace, v))
+}
+
+// WorkplaceIsNil applies the IsNil predicate on the "workplace" field.
+func WorkplaceIsNil() predicate.User {
+	return predicate.User(sql.FieldIsNull(FieldWorkplace))
+}
+
+// WorkplaceNotNil applies the NotNil predicate on the "workplace" field.
+func WorkplaceNotNil() predicate.User {
+	return predicate.User(sql.FieldNotNull(FieldWorkplace))
+}
+
+// WorkplaceEqualFold applies the EqualFold predicate on the "workplace" field.
+func WorkplaceEqualFold(v string) predicate.User {
+	return predicate.User(sql.FieldEqualFold(FieldWorkplace, v))
+}
+
+// WorkplaceContainsFold applies the ContainsFold predicate on the "workplace" field.
+func WorkplaceContainsFold(v string) predicate.User {
+	return predicate.User(sql.FieldContainsFold(FieldWorkplace, v))
+}
+
+// DropOptionalEQ applies the EQ predicate on the "drop_optional" field.
+func DropOptionalEQ(v string) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldDropOptional, v))
+}
+
+// DropOptionalNEQ applies the NEQ predicate on the "drop_optional" field.
+func DropOptionalNEQ(v string) predicate.User {
+	return predicate.User(sql.FieldNEQ(FieldDropOptional, v))
+}
+
+// DropOptionalIn applies the In predicate on the "drop_optional" field.
+func DropOptionalIn(vs ...string) predicate.User {
+	return predicate.User(sql.FieldIn(FieldDropOptional, vs...))
+}
+
+// DropOptionalNotIn applies the NotIn predicate on the "drop_optional" field.
+func DropOptionalNotIn(vs ...string) predicate.User {
+	return predicate.User(sql.FieldNotIn(FieldDropOptional, vs...))
+}
+
+// DropOptionalGT applies the GT predicate on the "drop_optional" field.
+func DropOptionalGT(v string) predicate.User {
+	return predicate.User(sql.FieldGT(FieldDropOptional, v))
+}
+
+// DropOptionalGTE applies the GTE predicate on the "drop_optional" field.
+func DropOptionalGTE(v string) predicate.User {
+	return predicate.User(sql.FieldGTE(FieldDropOptional, v))
+}
+
+// DropOptionalLT applies the LT predicate on the "drop_optional" field.
+func DropOptionalLT(v string) predicate.User {
+	return predicate.User(sql.FieldLT(FieldDropOptional, v))
+}
+
+// DropOptionalLTE applies the LTE predicate on the "drop_optional" field.
+func DropOptionalLTE(v string) predicate.User {
+	return predicate.User(sql.FieldLTE(FieldDropOptional, v))
+}
+
+// DropOptionalContains applies the Contains predicate on the "drop_optional" field.
+func DropOptionalContains(v string) predicate.User {
+	return predicate.User(sql.FieldContains(FieldDropOptional, v))
+}
+
+// DropOptionalHasPrefix applies the HasPrefix predicate on the "drop_optional" field.
+func DropOptionalHasPrefix(v string) predicate.User {
+	return predicate.User(sql.FieldHasPrefix(FieldDropOptional, v))
+}
+
+// DropOptionalHasSuffix applies the HasSuffix predicate on the "drop_optional" field.
+func DropOptionalHasSuffix(v string) predicate.User {
+	return predicate.User(sql.FieldHasSuffix(FieldDropOptional, v))
+}
+
+// DropOptionalIsNil applies the IsNil predicate on the "drop_optional" field.
+func DropOptionalIsNil() predicate.User {
+	return predicate.User(sql.FieldIsNull(FieldDropOptional))
+}
+
+// DropOptionalNotNil applies the NotNil predicate on the "drop_optional" field.
+func DropOptionalNotNil() predicate.User {
+	return predicate.User(sql.FieldNotNull(FieldDropOptional))
+}
+
+// DropOptionalEqualFold applies the EqualFold predicate on the "drop_optional" field.
+func DropOptionalEqualFold(v string) predicate.User {
+	return predicate.User(sql.FieldEqualFold(FieldDropOptional, v))
+}
+
+// DropOptionalContainsFold applies the ContainsFold predicate on the "drop_optional" field.
+func DropOptionalContainsFold(v string) predicate.User {
+	return predicate.User(sql.FieldContainsFold(FieldDropOptional, v))
+}
+
+// HasParent applies the HasEdge predicate on the "parent" edge.
+func HasParent() predicate.User {
+	return predicate.User(func(s *sql.Selector) {
+		step := sqlgraph.NewStep(
+			sqlgraph.From(Table, FieldID),
+			sqlgraph.Edge(sqlgraph.M2O, true, ParentTable, ParentColumn),
+		)
+		sqlgraph.HasNeighbors(s, step)
+	})
+}
+
+// HasParentWith applies the HasEdge predicate on the "parent" edge with a given conditions (other predicates).
+func HasParentWith(preds ...predicate.User) predicate.User {
+	return predicate.User(func(s *sql.Selector) {
+		step := newParentStep()
+		sqlgraph.HasNeighborsWith(s, step, func(s *sql.Selector) {
+			for _, p := range preds {
+				p(s)
+			}
+		})
+	})
+}
+
+// HasChildren applies the HasEdge predicate on the "children" edge.
+func HasChildren() predicate.User {
+	return predicate.User(func(s *sql.Selector) {
+		step := sqlgraph.NewStep(
+			sqlgraph.From(Table, FieldID),
+			sqlgraph.Edge(sqlgraph.O2M, false, ChildrenTable, ChildrenColumn),
+		)
+		sqlgraph.HasNeighbors(s, step)
+	})
+}
+
+// HasChildrenWith applies the HasEdge predicate on the "children" edge with a given conditions (other predicates).
+func HasChildrenWith(preds ...predicate.User) predicate.User {
+	return predicate.User(func(s *sql.Selector) {
+		step := newChildrenStep()
+		sqlgraph.HasNeighborsWith(s, step, func(s *sql.Selector) {
+			for _, p := range preds {
+				p(s)
+			}
+		})
+	})
+}
+
+// HasSpouse applies the HasEdge predicate on the "spouse" edge.
+func HasSpouse() predicate.User {
+	return predicate.User(func(s *sql.Selector) {
+		step := sqlgraph.NewStep(
+			sqlgraph.From(Table, FieldID),
+			sqlgraph.Edge(sqlgraph.O2O, false, SpouseTable, SpouseColumn),
+		)
+		sqlgraph.HasNeighbors(s, step)
+	})
+}
+
+// HasSpouseWith applies the HasEdge predicate on the "spouse" edge with a given conditions (other predicates).
+func HasSpouseWith(preds ...predicate.User) predicate.User {
+	return predicate.User(func(s *sql.Selector) {
+		step := newSpouseStep()
+		sqlgraph.HasNeighborsWith(s, step, func(s *sql.Selector) {
+			for _, p := range preds {
+				p(s)
+			}
+		})
+	})
+}
+
+// HasCar applies the HasEdge predicate on the "car" edge.
+func HasCar() predicate.User {
+	return predicate.User(func(s *sql.Selector) {
+		step := sqlgraph.NewStep(
+			sqlgraph.From(Table, FieldID),
+			sqlgraph.Edge(sqlgraph.O2O, false, CarTable, CarColumn),
+		)
+		sqlgraph.HasNeighbors(s, step)
+	})
+}
+
+// HasCarWith applies the HasEdge predicate on the "car" edge with a given conditions (other predicates).
+func HasCarWith(preds ...predicate.Car) predicate.User {
+	return predicate.User(func(s *sql.Selector) {
+		step := newCarStep()
+		sqlgraph.HasNeighborsWith(s, step, func(s *sql.Selector) {
+			for _, p := range preds {
+				p(s)
+			}
+		})
+	})
+}
+
+// And groups predicates with the AND operator between them.
+func And(predicates ...predicate.User) predicate.User {
+	return predicate.User(sql.AndPredicates(predicates...))
+}
+
+// Or groups predicates with the OR operator between them.
+func Or(predicates ...predicate.User) predicate.User {
+	return predicate.User(sql.OrPredicates(predicates...))
+}
+
+// Not applies the not operator on the given predicate.
+func Not(p predicate.User) predicate.User {
+	return predicate.User(sql.NotPredicates(p))
+}

entc/integration/migrate/entv1/user_create.go

@@ -0,0 +1,555 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package entv1
+
+import (
+	"context"
+	"errors"
+	"fmt"
+
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/entc/integration/migrate/entv1/car"
+	"entgo.io/ent/entc/integration/migrate/entv1/user"
+	"entgo.io/ent/schema/field"
+)
+
+// UserCreate is the builder for creating a User entity.
+type UserCreate struct {
+	config
+	mutation *UserMutation
+	hooks    []Hook
+}
+
+// SetAge sets the "age" field.
+func (_c *UserCreate) SetAge(v int32) *UserCreate {
+	_c.mutation.SetAge(v)
+	return _c
+}
+
+// SetName sets the "name" field.
+func (_c *UserCreate) SetName(v string) *UserCreate {
+	_c.mutation.SetName(v)
+	return _c
+}
+
+// SetDescription sets the "description" field.
+func (_c *UserCreate) SetDescription(v string) *UserCreate {
+	_c.mutation.SetDescription(v)
+	return _c
+}
+
+// SetNillableDescription sets the "description" field if the given value is not nil.
+func (_c *UserCreate) SetNillableDescription(v *string) *UserCreate {
+	if v != nil {
+		_c.SetDescription(*v)
+	}
+	return _c
+}
+
+// SetNickname sets the "nickname" field.
+func (_c *UserCreate) SetNickname(v string) *UserCreate {
+	_c.mutation.SetNickname(v)
+	return _c
+}
+
+// SetAddress sets the "address" field.
+func (_c *UserCreate) SetAddress(v string) *UserCreate {
+	_c.mutation.SetAddress(v)
+	return _c
+}
+
+// SetNillableAddress sets the "address" field if the given value is not nil.
+func (_c *UserCreate) SetNillableAddress(v *string) *UserCreate {
+	if v != nil {
+		_c.SetAddress(*v)
+	}
+	return _c
+}
+
+// SetRenamed sets the "renamed" field.
+func (_c *UserCreate) SetRenamed(v string) *UserCreate {
+	_c.mutation.SetRenamed(v)
+	return _c
+}
+
+// SetNillableRenamed sets the "renamed" field if the given value is not nil.
+func (_c *UserCreate) SetNillableRenamed(v *string) *UserCreate {
+	if v != nil {
+		_c.SetRenamed(*v)
+	}
+	return _c
+}
+
+// SetOldToken sets the "old_token" field.
+func (_c *UserCreate) SetOldToken(v string) *UserCreate {
+	_c.mutation.SetOldToken(v)
+	return _c
+}
+
+// SetNillableOldToken sets the "old_token" field if the given value is not nil.
+func (_c *UserCreate) SetNillableOldToken(v *string) *UserCreate {
+	if v != nil {
+		_c.SetOldToken(*v)
+	}
+	return _c
+}
+
+// SetBlob sets the "blob" field.
+func (_c *UserCreate) SetBlob(v []byte) *UserCreate {
+	_c.mutation.SetBlob(v)
+	return _c
+}
+
+// SetState sets the "state" field.
+func (_c *UserCreate) SetState(v user.State) *UserCreate {
+	_c.mutation.SetState(v)
+	return _c
+}
+
+// SetNillableState sets the "state" field if the given value is not nil.
+func (_c *UserCreate) SetNillableState(v *user.State) *UserCreate {
+	if v != nil {
+		_c.SetState(*v)
+	}
+	return _c
+}
+
+// SetStatus sets the "status" field.
+func (_c *UserCreate) SetStatus(v string) *UserCreate {
+	_c.mutation.SetStatus(v)
+	return _c
+}
+
+// SetNillableStatus sets the "status" field if the given value is not nil.
+func (_c *UserCreate) SetNillableStatus(v *string) *UserCreate {
+	if v != nil {
+		_c.SetStatus(*v)
+	}
+	return _c
+}
+
+// SetWorkplace sets the "workplace" field.
+func (_c *UserCreate) SetWorkplace(v string) *UserCreate {
+	_c.mutation.SetWorkplace(v)
+	return _c
+}
+
+// SetNillableWorkplace sets the "workplace" field if the given value is not nil.
+func (_c *UserCreate) SetNillableWorkplace(v *string) *UserCreate {
+	if v != nil {
+		_c.SetWorkplace(*v)
+	}
+	return _c
+}
+
+// SetDropOptional sets the "drop_optional" field.
+func (_c *UserCreate) SetDropOptional(v string) *UserCreate {
+	_c.mutation.SetDropOptional(v)
+	return _c
+}
+
+// SetNillableDropOptional sets the "drop_optional" field if the given value is not nil.
+func (_c *UserCreate) SetNillableDropOptional(v *string) *UserCreate {
+	if v != nil {
+		_c.SetDropOptional(*v)
+	}
+	return _c
+}
+
+// SetID sets the "id" field.
+func (_c *UserCreate) SetID(v int) *UserCreate {
+	_c.mutation.SetID(v)
+	return _c
+}
+
+// SetParentID sets the "parent" edge to the User entity by ID.
+func (_c *UserCreate) SetParentID(id int) *UserCreate {
+	_c.mutation.SetParentID(id)
+	return _c
+}
+
+// SetNillableParentID sets the "parent" edge to the User entity by ID if the given value is not nil.
+func (_c *UserCreate) SetNillableParentID(id *int) *UserCreate {
+	if id != nil {
+		_c = _c.SetParentID(*id)
+	}
+	return _c
+}
+
+// SetParent sets the "parent" edge to the User entity.
+func (_c *UserCreate) SetParent(v *User) *UserCreate {
+	return _c.SetParentID(v.ID)
+}
+
+// AddChildIDs adds the "children" edge to the User entity by IDs.
+func (_c *UserCreate) AddChildIDs(ids ...int) *UserCreate {
+	_c.mutation.AddChildIDs(ids...)
+	return _c
+}
+
+// AddChildren adds the "children" edges to the User entity.
+func (_c *UserCreate) AddChildren(v ...*User) *UserCreate {
+	ids := make([]int, len(v))
+	for i := range v {
+		ids[i] = v[i].ID
+	}
+	return _c.AddChildIDs(ids...)
+}
+
+// SetSpouseID sets the "spouse" edge to the User entity by ID.
+func (_c *UserCreate) SetSpouseID(id int) *UserCreate {
+	_c.mutation.SetSpouseID(id)
+	return _c
+}
+
+// SetNillableSpouseID sets the "spouse" edge to the User entity by ID if the given value is not nil.
+func (_c *UserCreate) SetNillableSpouseID(id *int) *UserCreate {
+	if id != nil {
+		_c = _c.SetSpouseID(*id)
+	}
+	return _c
+}
+
+// SetSpouse sets the "spouse" edge to the User entity.
+func (_c *UserCreate) SetSpouse(v *User) *UserCreate {
+	return _c.SetSpouseID(v.ID)
+}
+
+// SetCarID sets the "car" edge to the Car entity by ID.
+func (_c *UserCreate) SetCarID(id int) *UserCreate {
+	_c.mutation.SetCarID(id)
+	return _c
+}
+
+// SetNillableCarID sets the "car" edge to the Car entity by ID if the given value is not nil.
+func (_c *UserCreate) SetNillableCarID(id *int) *UserCreate {
+	if id != nil {
+		_c = _c.SetCarID(*id)
+	}
+	return _c
+}
+
+// SetCar sets the "car" edge to the Car entity.
+func (_c *UserCreate) SetCar(v *Car) *UserCreate {
+	return _c.SetCarID(v.ID)
+}
+
+// Mutation returns the UserMutation object of the builder.
+func (_c *UserCreate) Mutation() *UserMutation {
+	return _c.mutation
+}
+
+// Save creates the User in the database.
+func (_c *UserCreate) Save(ctx context.Context) (*User, error) {
+	_c.defaults()
+	return withHooks(ctx, _c.sqlSave, _c.mutation, _c.hooks)
+}
+
+// SaveX calls Save and panics if Save returns an error.
+func (_c *UserCreate) SaveX(ctx context.Context) *User {
+	v, err := _c.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (_c *UserCreate) Exec(ctx context.Context) error {
+	_, err := _c.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_c *UserCreate) ExecX(ctx context.Context) {
+	if err := _c.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// defaults sets the default values of the builder before save.
+func (_c *UserCreate) defaults() {
+	if _, ok := _c.mutation.OldToken(); !ok {
+		v := user.DefaultOldToken()
+		_c.mutation.SetOldToken(v)
+	}
+	if _, ok := _c.mutation.State(); !ok {
+		v := user.DefaultState
+		_c.mutation.SetState(v)
+	}
+}
+
+// check runs all checks and user-defined validators on the builder.
+func (_c *UserCreate) check() error {
+	if _, ok := _c.mutation.Age(); !ok {
+		return &ValidationError{Name: "age", err: errors.New(`entv1: missing required field "User.age"`)}
+	}
+	if _, ok := _c.mutation.Name(); !ok {
+		return &ValidationError{Name: "name", err: errors.New(`entv1: missing required field "User.name"`)}
+	}
+	if v, ok := _c.mutation.Name(); ok {
+		if err := user.NameValidator(v); err != nil {
+			return &ValidationError{Name: "name", err: fmt.Errorf(`entv1: validator failed for field "User.name": %w`, err)}
+		}
+	}
+	if _, ok := _c.mutation.Nickname(); !ok {
+		return &ValidationError{Name: "nickname", err: errors.New(`entv1: missing required field "User.nickname"`)}
+	}
+	if _, ok := _c.mutation.OldToken(); !ok {
+		return &ValidationError{Name: "old_token", err: errors.New(`entv1: missing required field "User.old_token"`)}
+	}
+	if v, ok := _c.mutation.Blob(); ok {
+		if err := user.BlobValidator(v); err != nil {
+			return &ValidationError{Name: "blob", err: fmt.Errorf(`entv1: validator failed for field "User.blob": %w`, err)}
+		}
+	}
+	if v, ok := _c.mutation.State(); ok {
+		if err := user.StateValidator(v); err != nil {
+			return &ValidationError{Name: "state", err: fmt.Errorf(`entv1: validator failed for field "User.state": %w`, err)}
+		}
+	}
+	if v, ok := _c.mutation.Workplace(); ok {
+		if err := user.WorkplaceValidator(v); err != nil {
+			return &ValidationError{Name: "workplace", err: fmt.Errorf(`entv1: validator failed for field "User.workplace": %w`, err)}
+		}
+	}
+	return nil
+}
+
+func (_c *UserCreate) sqlSave(ctx context.Context) (*User, error) {
+	if err := _c.check(); err != nil {
+		return nil, err
+	}
+	_node, _spec := _c.createSpec()
+	if err := sqlgraph.CreateNode(ctx, _c.driver, _spec); err != nil {
+		if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	if _spec.ID.Value != _node.ID {
+		id := _spec.ID.Value.(int64)
+		_node.ID = int(id)
+	}
+	_c.mutation.id = &_node.ID
+	_c.mutation.done = true
+	return _node, nil
+}
+
+func (_c *UserCreate) createSpec() (*User, *sqlgraph.CreateSpec) {
+	var (
+		_node = &User{config: _c.config}
+		_spec = sqlgraph.NewCreateSpec(user.Table, sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt))
+	)
+	if id, ok := _c.mutation.ID(); ok {
+		_node.ID = id
+		_spec.ID.Value = id
+	}
+	if value, ok := _c.mutation.Age(); ok {
+		_spec.SetField(user.FieldAge, field.TypeInt32, value)
+		_node.Age = value
+	}
+	if value, ok := _c.mutation.Name(); ok {
+		_spec.SetField(user.FieldName, field.TypeString, value)
+		_node.Name = value
+	}
+	if value, ok := _c.mutation.Description(); ok {
+		_spec.SetField(user.FieldDescription, field.TypeString, value)
+		_node.Description = value
+	}
+	if value, ok := _c.mutation.Nickname(); ok {
+		_spec.SetField(user.FieldNickname, field.TypeString, value)
+		_node.Nickname = value
+	}
+	if value, ok := _c.mutation.Address(); ok {
+		_spec.SetField(user.FieldAddress, field.TypeString, value)
+		_node.Address = value
+	}
+	if value, ok := _c.mutation.Renamed(); ok {
+		_spec.SetField(user.FieldRenamed, field.TypeString, value)
+		_node.Renamed = value
+	}
+	if value, ok := _c.mutation.OldToken(); ok {
+		_spec.SetField(user.FieldOldToken, field.TypeString, value)
+		_node.OldToken = value
+	}
+	if value, ok := _c.mutation.Blob(); ok {
+		_spec.SetField(user.FieldBlob, field.TypeBytes, value)
+		_node.Blob = value
+	}
+	if value, ok := _c.mutation.State(); ok {
+		_spec.SetField(user.FieldState, field.TypeEnum, value)
+		_node.State = value
+	}
+	if value, ok := _c.mutation.Status(); ok {
+		_spec.SetField(user.FieldStatus, field.TypeString, value)
+		_node.Status = value
+	}
+	if value, ok := _c.mutation.Workplace(); ok {
+		_spec.SetField(user.FieldWorkplace, field.TypeString, value)
+		_node.Workplace = value
+	}
+	if value, ok := _c.mutation.DropOptional(); ok {
+		_spec.SetField(user.FieldDropOptional, field.TypeString, value)
+		_node.DropOptional = value
+	}
+	if nodes := _c.mutation.ParentIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2O,
+			Inverse: true,
+			Table:   user.ParentTable,
+			Columns: []string{user.ParentColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_node.user_children = &nodes[0]
+		_spec.Edges = append(_spec.Edges, edge)
+	}
+	if nodes := _c.mutation.ChildrenIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.O2M,
+			Inverse: false,
+			Table:   user.ChildrenTable,
+			Columns: []string{user.ChildrenColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges = append(_spec.Edges, edge)
+	}
+	if nodes := _c.mutation.SpouseIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.O2O,
+			Inverse: false,
+			Table:   user.SpouseTable,
+			Columns: []string{user.SpouseColumn},
+			Bidi:    true,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_node.user_spouse = &nodes[0]
+		_spec.Edges = append(_spec.Edges, edge)
+	}
+	if nodes := _c.mutation.CarIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.O2O,
+			Inverse: false,
+			Table:   user.CarTable,
+			Columns: []string{user.CarColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(car.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges = append(_spec.Edges, edge)
+	}
+	return _node, _spec
+}
+
+// UserCreateBulk is the builder for creating many User entities in bulk.
+type UserCreateBulk struct {
+	config
+	err      error
+	builders []*UserCreate
+}
+
+// Save creates the User entities in the database.
+func (_c *UserCreateBulk) Save(ctx context.Context) ([]*User, error) {
+	if _c.err != nil {
+		return nil, _c.err
+	}
+	specs := make([]*sqlgraph.CreateSpec, len(_c.builders))
+	nodes := make([]*User, len(_c.builders))
+	mutators := make([]Mutator, len(_c.builders))
+	for i := range _c.builders {
+		func(i int, root context.Context) {
+			builder := _c.builders[i]
+			builder.defaults()
+			var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
+				mutation, ok := m.(*UserMutation)
+				if !ok {
+					return nil, fmt.Errorf("unexpected mutation type %T", m)
+				}
+				if err := builder.check(); err != nil {
+					return nil, err
+				}
+				builder.mutation = mutation
+				var err error
+				nodes[i], specs[i] = builder.createSpec()
+				if i < len(mutators)-1 {
+					_, err = mutators[i+1].Mutate(root, _c.builders[i+1].mutation)
+				} else {
+					spec := &sqlgraph.BatchCreateSpec{Nodes: specs}
+					// Invoke the actual operation on the latest mutation in the chain.
+					if err = sqlgraph.BatchCreate(ctx, _c.driver, spec); err != nil {
+						if sqlgraph.IsConstraintError(err) {
+							err = &ConstraintError{msg: err.Error(), wrap: err}
+						}
+					}
+				}
+				if err != nil {
+					return nil, err
+				}
+				mutation.id = &nodes[i].ID
+				if specs[i].ID.Value != nil && nodes[i].ID == 0 {
+					id := specs[i].ID.Value.(int64)
+					nodes[i].ID = int(id)
+				}
+				mutation.done = true
+				return nodes[i], nil
+			})
+			for i := len(builder.hooks) - 1; i >= 0; i-- {
+				mut = builder.hooks[i](mut)
+			}
+			mutators[i] = mut
+		}(i, ctx)
+	}
+	if len(mutators) > 0 {
+		if _, err := mutators[0].Mutate(ctx, _c.builders[0].mutation); err != nil {
+			return nil, err
+		}
+	}
+	return nodes, nil
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (_c *UserCreateBulk) SaveX(ctx context.Context) []*User {
+	v, err := _c.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (_c *UserCreateBulk) Exec(ctx context.Context) error {
+	_, err := _c.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_c *UserCreateBulk) ExecX(ctx context.Context) {
+	if err := _c.Exec(ctx); err != nil {
+		panic(err)
+	}
+}

entc/integration/migrate/entv1/user_delete.go

@@ -0,0 +1,92 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package entv1
+
+import (
+	"context"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/entc/integration/migrate/entv1/predicate"
+	"entgo.io/ent/entc/integration/migrate/entv1/user"
+	"entgo.io/ent/schema/field"
+)
+
+// UserDelete is the builder for deleting a User entity.
+type UserDelete struct {
+	config
+	hooks    []Hook
+	mutation *UserMutation
+}
+
+// Where appends a list predicates to the UserDelete builder.
+func (_d *UserDelete) Where(ps ...predicate.User) *UserDelete {
+	_d.mutation.Where(ps...)
+	return _d
+}
+
+// Exec executes the deletion query and returns how many vertices were deleted.
+func (_d *UserDelete) Exec(ctx context.Context) (int, error) {
+	return withHooks(ctx, _d.sqlExec, _d.mutation, _d.hooks)
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_d *UserDelete) ExecX(ctx context.Context) int {
+	n, err := _d.Exec(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return n
+}
+
+func (_d *UserDelete) sqlExec(ctx context.Context) (int, error) {
+	_spec := sqlgraph.NewDeleteSpec(user.Table, sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt))
+	if ps := _d.mutation.Predicates(); len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	affected, err := sqlgraph.DeleteNodes(ctx, _d.driver, _spec)
+	if err != nil && sqlgraph.IsConstraintError(err) {
+		err = &ConstraintError{msg: err.Error(), wrap: err}
+	}
+	_d.mutation.done = true
+	return affected, err
+}
+
+// UserDeleteOne is the builder for deleting a single User entity.
+type UserDeleteOne struct {
+	_d *UserDelete
+}
+
+// Where appends a list predicates to the UserDelete builder.
+func (_d *UserDeleteOne) Where(ps ...predicate.User) *UserDeleteOne {
+	_d._d.mutation.Where(ps...)
+	return _d
+}
+
+// Exec executes the deletion query.
+func (_d *UserDeleteOne) Exec(ctx context.Context) error {
+	n, err := _d._d.Exec(ctx)
+	switch {
+	case err != nil:
+		return err
+	case n == 0:
+		return &NotFoundError{user.Label}
+	default:
+		return nil
+	}
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_d *UserDeleteOne) ExecX(ctx context.Context) {
+	if err := _d.Exec(ctx); err != nil {
+		panic(err)
+	}
+}

entc/integration/migrate/entv1/user_query.go

@@ -0,0 +1,837 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package entv1
+
+import (
+	"context"
+	"database/sql/driver"
+	"fmt"
+	"math"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/entc/integration/migrate/entv1/car"
+	"entgo.io/ent/entc/integration/migrate/entv1/predicate"
+	"entgo.io/ent/entc/integration/migrate/entv1/user"
+	"entgo.io/ent/schema/field"
+)
+
+// UserQuery is the builder for querying User entities.
+type UserQuery struct {
+	config
+	ctx          *QueryContext
+	order        []user.OrderOption
+	inters       []Interceptor
+	predicates   []predicate.User
+	withParent   *UserQuery
+	withChildren *UserQuery
+	withSpouse   *UserQuery
+	withCar      *CarQuery
+	withFKs      bool
+	// intermediate query (i.e. traversal path).
+	sql  *sql.Selector
+	path func(context.Context) (*sql.Selector, error)
+}
+
+// Where adds a new predicate for the UserQuery builder.
+func (_q *UserQuery) Where(ps ...predicate.User) *UserQuery {
+	_q.predicates = append(_q.predicates, ps...)
+	return _q
+}
+
+// Limit the number of records to be returned by this query.
+func (_q *UserQuery) Limit(limit int) *UserQuery {
+	_q.ctx.Limit = &limit
+	return _q
+}
+
+// Offset to start from.
+func (_q *UserQuery) Offset(offset int) *UserQuery {
+	_q.ctx.Offset = &offset
+	return _q
+}
+
+// Unique configures the query builder to filter duplicate records on query.
+// By default, unique is set to true, and can be disabled using this method.
+func (_q *UserQuery) Unique(unique bool) *UserQuery {
+	_q.ctx.Unique = &unique
+	return _q
+}
+
+// Order specifies how the records should be ordered.
+func (_q *UserQuery) Order(o ...user.OrderOption) *UserQuery {
+	_q.order = append(_q.order, o...)
+	return _q
+}
+
+// QueryParent chains the current query on the "parent" edge.
+func (_q *UserQuery) QueryParent() *UserQuery {
+	query := (&UserClient{config: _q.config}).Query()
+	query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
+		if err := _q.prepareQuery(ctx); err != nil {
+			return nil, err
+		}
+		selector := _q.sqlQuery(ctx)
+		if err := selector.Err(); err != nil {
+			return nil, err
+		}
+		step := sqlgraph.NewStep(
+			sqlgraph.From(user.Table, user.FieldID, selector),
+			sqlgraph.To(user.Table, user.FieldID),
+			sqlgraph.Edge(sqlgraph.M2O, true, user.ParentTable, user.ParentColumn),
+		)
+		fromU = sqlgraph.SetNeighbors(_q.driver.Dialect(), step)
+		return fromU, nil
+	}
+	return query
+}
+
+// QueryChildren chains the current query on the "children" edge.
+func (_q *UserQuery) QueryChildren() *UserQuery {
+	query := (&UserClient{config: _q.config}).Query()
+	query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
+		if err := _q.prepareQuery(ctx); err != nil {
+			return nil, err
+		}
+		selector := _q.sqlQuery(ctx)
+		if err := selector.Err(); err != nil {
+			return nil, err
+		}
+		step := sqlgraph.NewStep(
+			sqlgraph.From(user.Table, user.FieldID, selector),
+			sqlgraph.To(user.Table, user.FieldID),
+			sqlgraph.Edge(sqlgraph.O2M, false, user.ChildrenTable, user.ChildrenColumn),
+		)
+		fromU = sqlgraph.SetNeighbors(_q.driver.Dialect(), step)
+		return fromU, nil
+	}
+	return query
+}
+
+// QuerySpouse chains the current query on the "spouse" edge.
+func (_q *UserQuery) QuerySpouse() *UserQuery {
+	query := (&UserClient{config: _q.config}).Query()
+	query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
+		if err := _q.prepareQuery(ctx); err != nil {
+			return nil, err
+		}
+		selector := _q.sqlQuery(ctx)
+		if err := selector.Err(); err != nil {
+			return nil, err
+		}
+		step := sqlgraph.NewStep(
+			sqlgraph.From(user.Table, user.FieldID, selector),
+			sqlgraph.To(user.Table, user.FieldID),
+			sqlgraph.Edge(sqlgraph.O2O, false, user.SpouseTable, user.SpouseColumn),
+		)
+		fromU = sqlgraph.SetNeighbors(_q.driver.Dialect(), step)
+		return fromU, nil
+	}
+	return query
+}
+
+// QueryCar chains the current query on the "car" edge.
+func (_q *UserQuery) QueryCar() *CarQuery {
+	query := (&CarClient{config: _q.config}).Query()
+	query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
+		if err := _q.prepareQuery(ctx); err != nil {
+			return nil, err
+		}
+		selector := _q.sqlQuery(ctx)
+		if err := selector.Err(); err != nil {
+			return nil, err
+		}
+		step := sqlgraph.NewStep(
+			sqlgraph.From(user.Table, user.FieldID, selector),
+			sqlgraph.To(car.Table, car.FieldID),
+			sqlgraph.Edge(sqlgraph.O2O, false, user.CarTable, user.CarColumn),
+		)
+		fromU = sqlgraph.SetNeighbors(_q.driver.Dialect(), step)
+		return fromU, nil
+	}
+	return query
+}
+
+// First returns the first User entity from the query.
+// Returns a *NotFoundError when no User was found.
+func (_q *UserQuery) First(ctx context.Context) (*User, error) {
+	nodes, err := _q.Limit(1).All(setContextOp(ctx, _q.ctx, ent.OpQueryFirst))
+	if err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nil, &NotFoundError{user.Label}
+	}
+	return nodes[0], nil
+}
+
+// FirstX is like First, but panics if an error occurs.
+func (_q *UserQuery) FirstX(ctx context.Context) *User {
+	node, err := _q.First(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return node
+}
+
+// FirstID returns the first User ID from the query.
+// Returns a *NotFoundError when no User ID was found.
+func (_q *UserQuery) FirstID(ctx context.Context) (id int, err error) {
+	var ids []int
+	if ids, err = _q.Limit(1).IDs(setContextOp(ctx, _q.ctx, ent.OpQueryFirstID)); err != nil {
+		return
+	}
+	if len(ids) == 0 {
+		err = &NotFoundError{user.Label}
+		return
+	}
+	return ids[0], nil
+}
+
+// FirstIDX is like FirstID, but panics if an error occurs.
+func (_q *UserQuery) FirstIDX(ctx context.Context) int {
+	id, err := _q.FirstID(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return id
+}
+
+// Only returns a single User entity found by the query, ensuring it only returns one.
+// Returns a *NotSingularError when more than one User entity is found.
+// Returns a *NotFoundError when no User entities are found.
+func (_q *UserQuery) Only(ctx context.Context) (*User, error) {
+	nodes, err := _q.Limit(2).All(setContextOp(ctx, _q.ctx, ent.OpQueryOnly))
+	if err != nil {
+		return nil, err
+	}
+	switch len(nodes) {
+	case 1:
+		return nodes[0], nil
+	case 0:
+		return nil, &NotFoundError{user.Label}
+	default:
+		return nil, &NotSingularError{user.Label}
+	}
+}
+
+// OnlyX is like Only, but panics if an error occurs.
+func (_q *UserQuery) OnlyX(ctx context.Context) *User {
+	node, err := _q.Only(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// OnlyID is like Only, but returns the only User ID in the query.
+// Returns a *NotSingularError when more than one User ID is found.
+// Returns a *NotFoundError when no entities are found.
+func (_q *UserQuery) OnlyID(ctx context.Context) (id int, err error) {
+	var ids []int
+	if ids, err = _q.Limit(2).IDs(setContextOp(ctx, _q.ctx, ent.OpQueryOnlyID)); err != nil {
+		return
+	}
+	switch len(ids) {
+	case 1:
+		id = ids[0]
+	case 0:
+		err = &NotFoundError{user.Label}
+	default:
+		err = &NotSingularError{user.Label}
+	}
+	return
+}
+
+// OnlyIDX is like OnlyID, but panics if an error occurs.
+func (_q *UserQuery) OnlyIDX(ctx context.Context) int {
+	id, err := _q.OnlyID(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return id
+}
+
+// All executes the query and returns a list of Users.
+func (_q *UserQuery) All(ctx context.Context) ([]*User, error) {
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryAll)
+	if err := _q.prepareQuery(ctx); err != nil {
+		return nil, err
+	}
+	qr := querierAll[[]*User, *UserQuery]()
+	return withInterceptors[[]*User](ctx, _q, qr, _q.inters)
+}
+
+// AllX is like All, but panics if an error occurs.
+func (_q *UserQuery) AllX(ctx context.Context) []*User {
+	nodes, err := _q.All(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return nodes
+}
+
+// IDs executes the query and returns a list of User IDs.
+func (_q *UserQuery) IDs(ctx context.Context) (ids []int, err error) {
+	if _q.ctx.Unique == nil && _q.path != nil {
+		_q.Unique(true)
+	}
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryIDs)
+	if err = _q.Select(user.FieldID).Scan(ctx, &ids); err != nil {
+		return nil, err
+	}
+	return ids, nil
+}
+
+// IDsX is like IDs, but panics if an error occurs.
+func (_q *UserQuery) IDsX(ctx context.Context) []int {
+	ids, err := _q.IDs(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return ids
+}
+
+// Count returns the count of the given query.
+func (_q *UserQuery) Count(ctx context.Context) (int, error) {
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryCount)
+	if err := _q.prepareQuery(ctx); err != nil {
+		return 0, err
+	}
+	return withInterceptors[int](ctx, _q, querierCount[*UserQuery](), _q.inters)
+}
+
+// CountX is like Count, but panics if an error occurs.
+func (_q *UserQuery) CountX(ctx context.Context) int {
+	count, err := _q.Count(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return count
+}
+
+// Exist returns true if the query has elements in the graph.
+func (_q *UserQuery) Exist(ctx context.Context) (bool, error) {
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryExist)
+	switch _, err := _q.FirstID(ctx); {
+	case IsNotFound(err):
+		return false, nil
+	case err != nil:
+		return false, fmt.Errorf("entv1: check existence: %w", err)
+	default:
+		return true, nil
+	}
+}
+
+// ExistX is like Exist, but panics if an error occurs.
+func (_q *UserQuery) ExistX(ctx context.Context) bool {
+	exist, err := _q.Exist(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return exist
+}
+
+// Clone returns a duplicate of the UserQuery builder, including all associated steps. It can be
+// used to prepare common query builders and use them differently after the clone is made.
+func (_q *UserQuery) Clone() *UserQuery {
+	if _q == nil {
+		return nil
+	}
+	return &UserQuery{
+		config:       _q.config,
+		ctx:          _q.ctx.Clone(),
+		order:        append([]user.OrderOption{}, _q.order...),
+		inters:       append([]Interceptor{}, _q.inters...),
+		predicates:   append([]predicate.User{}, _q.predicates...),
+		withParent:   _q.withParent.Clone(),
+		withChildren: _q.withChildren.Clone(),
+		withSpouse:   _q.withSpouse.Clone(),
+		withCar:      _q.withCar.Clone(),
+		// clone intermediate query.
+		sql:  _q.sql.Clone(),
+		path: _q.path,
+	}
+}
+
+// WithParent tells the query-builder to eager-load the nodes that are connected to
+// the "parent" edge. The optional arguments are used to configure the query builder of the edge.
+func (_q *UserQuery) WithParent(opts ...func(*UserQuery)) *UserQuery {
+	query := (&UserClient{config: _q.config}).Query()
+	for _, opt := range opts {
+		opt(query)
+	}
+	_q.withParent = query
+	return _q
+}
+
+// WithChildren tells the query-builder to eager-load the nodes that are connected to
+// the "children" edge. The optional arguments are used to configure the query builder of the edge.
+func (_q *UserQuery) WithChildren(opts ...func(*UserQuery)) *UserQuery {
+	query := (&UserClient{config: _q.config}).Query()
+	for _, opt := range opts {
+		opt(query)
+	}
+	_q.withChildren = query
+	return _q
+}
+
+// WithSpouse tells the query-builder to eager-load the nodes that are connected to
+// the "spouse" edge. The optional arguments are used to configure the query builder of the edge.
+func (_q *UserQuery) WithSpouse(opts ...func(*UserQuery)) *UserQuery {
+	query := (&UserClient{config: _q.config}).Query()
+	for _, opt := range opts {
+		opt(query)
+	}
+	_q.withSpouse = query
+	return _q
+}
+
+// WithCar tells the query-builder to eager-load the nodes that are connected to
+// the "car" edge. The optional arguments are used to configure the query builder of the edge.
+func (_q *UserQuery) WithCar(opts ...func(*CarQuery)) *UserQuery {
+	query := (&CarClient{config: _q.config}).Query()
+	for _, opt := range opts {
+		opt(query)
+	}
+	_q.withCar = query
+	return _q
+}
+
+// GroupBy is used to group vertices by one or more fields/columns.
+// It is often used with aggregate functions, like: count, max, mean, min, sum.
+//
+// Example:
+//
+//	var v []struct {
+//		Age int32 `json:"age,omitempty"`
+//		Count int `json:"count,omitempty"`
+//	}
+//
+//	client.User.Query().
+//		GroupBy(user.FieldAge).
+//		Aggregate(entv1.Count()).
+//		Scan(ctx, &v)
+func (_q *UserQuery) GroupBy(field string, fields ...string) *UserGroupBy {
+	_q.ctx.Fields = append([]string{field}, fields...)
+	grbuild := &UserGroupBy{build: _q}
+	grbuild.flds = &_q.ctx.Fields
+	grbuild.label = user.Label
+	grbuild.scan = grbuild.Scan
+	return grbuild
+}
+
+// Select allows the selection one or more fields/columns for the given query,
+// instead of selecting all fields in the entity.
+//
+// Example:
+//
+//	var v []struct {
+//		Age int32 `json:"age,omitempty"`
+//	}
+//
+//	client.User.Query().
+//		Select(user.FieldAge).
+//		Scan(ctx, &v)
+func (_q *UserQuery) Select(fields ...string) *UserSelect {
+	_q.ctx.Fields = append(_q.ctx.Fields, fields...)
+	sbuild := &UserSelect{UserQuery: _q}
+	sbuild.label = user.Label
+	sbuild.flds, sbuild.scan = &_q.ctx.Fields, sbuild.Scan
+	return sbuild
+}
+
+// Aggregate returns a UserSelect configured with the given aggregations.
+func (_q *UserQuery) Aggregate(fns ...AggregateFunc) *UserSelect {
+	return _q.Select().Aggregate(fns...)
+}
+
+func (_q *UserQuery) prepareQuery(ctx context.Context) error {
+	for _, inter := range _q.inters {
+		if inter == nil {
+			return fmt.Errorf("entv1: uninitialized interceptor (forgotten import entv1/runtime?)")
+		}
+		if trv, ok := inter.(Traverser); ok {
+			if err := trv.Traverse(ctx, _q); err != nil {
+				return err
+			}
+		}
+	}
+	for _, f := range _q.ctx.Fields {
+		if !user.ValidColumn(f) {
+			return &ValidationError{Name: f, err: fmt.Errorf("entv1: invalid field %q for query", f)}
+		}
+	}
+	if _q.path != nil {
+		prev, err := _q.path(ctx)
+		if err != nil {
+			return err
+		}
+		_q.sql = prev
+	}
+	return nil
+}
+
+func (_q *UserQuery) sqlAll(ctx context.Context, hooks ...queryHook) ([]*User, error) {
+	var (
+		nodes       = []*User{}
+		withFKs     = _q.withFKs
+		_spec       = _q.querySpec()
+		loadedTypes = [4]bool{
+			_q.withParent != nil,
+			_q.withChildren != nil,
+			_q.withSpouse != nil,
+			_q.withCar != nil,
+		}
+	)
+	if _q.withParent != nil || _q.withSpouse != nil {
+		withFKs = true
+	}
+	if withFKs {
+		_spec.Node.Columns = append(_spec.Node.Columns, user.ForeignKeys...)
+	}
+	_spec.ScanValues = func(columns []string) ([]any, error) {
+		return (*User).scanValues(nil, columns)
+	}
+	_spec.Assign = func(columns []string, values []any) error {
+		node := &User{config: _q.config}
+		nodes = append(nodes, node)
+		node.Edges.loadedTypes = loadedTypes
+		return node.assignValues(columns, values)
+	}
+	for i := range hooks {
+		hooks[i](ctx, _spec)
+	}
+	if err := sqlgraph.QueryNodes(ctx, _q.driver, _spec); err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nodes, nil
+	}
+	if query := _q.withParent; query != nil {
+		if err := _q.loadParent(ctx, query, nodes, nil,
+			func(n *User, e *User) { n.Edges.Parent = e }); err != nil {
+			return nil, err
+		}
+	}
+	if query := _q.withChildren; query != nil {
+		if err := _q.loadChildren(ctx, query, nodes,
+			func(n *User) { n.Edges.Children = []*User{} },
+			func(n *User, e *User) { n.Edges.Children = append(n.Edges.Children, e) }); err != nil {
+			return nil, err
+		}
+	}
+	if query := _q.withSpouse; query != nil {
+		if err := _q.loadSpouse(ctx, query, nodes, nil,
+			func(n *User, e *User) { n.Edges.Spouse = e }); err != nil {
+			return nil, err
+		}
+	}
+	if query := _q.withCar; query != nil {
+		if err := _q.loadCar(ctx, query, nodes, nil,
+			func(n *User, e *Car) { n.Edges.Car = e }); err != nil {
+			return nil, err
+		}
+	}
+	return nodes, nil
+}
+
+func (_q *UserQuery) loadParent(ctx context.Context, query *UserQuery, nodes []*User, init func(*User), assign func(*User, *User)) error {
+	ids := make([]int, 0, len(nodes))
+	nodeids := make(map[int][]*User)
+	for i := range nodes {
+		if nodes[i].user_children == nil {
+			continue
+		}
+		fk := *nodes[i].user_children
+		if _, ok := nodeids[fk]; !ok {
+			ids = append(ids, fk)
+		}
+		nodeids[fk] = append(nodeids[fk], nodes[i])
+	}
+	if len(ids) == 0 {
+		return nil
+	}
+	query.Where(user.IDIn(ids...))
+	neighbors, err := query.All(ctx)
+	if err != nil {
+		return err
+	}
+	for _, n := range neighbors {
+		nodes, ok := nodeids[n.ID]
+		if !ok {
+			return fmt.Errorf(`unexpected foreign-key "user_children" returned %v`, n.ID)
+		}
+		for i := range nodes {
+			assign(nodes[i], n)
+		}
+	}
+	return nil
+}
+func (_q *UserQuery) loadChildren(ctx context.Context, query *UserQuery, nodes []*User, init func(*User), assign func(*User, *User)) error {
+	fks := make([]driver.Value, 0, len(nodes))
+	nodeids := make(map[int]*User)
+	for i := range nodes {
+		fks = append(fks, nodes[i].ID)
+		nodeids[nodes[i].ID] = nodes[i]
+		if init != nil {
+			init(nodes[i])
+		}
+	}
+	query.withFKs = true
+	query.Where(predicate.User(func(s *sql.Selector) {
+		s.Where(sql.InValues(s.C(user.ChildrenColumn), fks...))
+	}))
+	neighbors, err := query.All(ctx)
+	if err != nil {
+		return err
+	}
+	for _, n := range neighbors {
+		fk := n.user_children
+		if fk == nil {
+			return fmt.Errorf(`foreign-key "user_children" is nil for node %v`, n.ID)
+		}
+		node, ok := nodeids[*fk]
+		if !ok {
+			return fmt.Errorf(`unexpected referenced foreign-key "user_children" returned %v for node %v`, *fk, n.ID)
+		}
+		assign(node, n)
+	}
+	return nil
+}
+func (_q *UserQuery) loadSpouse(ctx context.Context, query *UserQuery, nodes []*User, init func(*User), assign func(*User, *User)) error {
+	ids := make([]int, 0, len(nodes))
+	nodeids := make(map[int][]*User)
+	for i := range nodes {
+		if nodes[i].user_spouse == nil {
+			continue
+		}
+		fk := *nodes[i].user_spouse
+		if _, ok := nodeids[fk]; !ok {
+			ids = append(ids, fk)
+		}
+		nodeids[fk] = append(nodeids[fk], nodes[i])
+	}
+	if len(ids) == 0 {
+		return nil
+	}
+	query.Where(user.IDIn(ids...))
+	neighbors, err := query.All(ctx)
+	if err != nil {
+		return err
+	}
+	for _, n := range neighbors {
+		nodes, ok := nodeids[n.ID]
+		if !ok {
+			return fmt.Errorf(`unexpected foreign-key "user_spouse" returned %v`, n.ID)
+		}
+		for i := range nodes {
+			assign(nodes[i], n)
+		}
+	}
+	return nil
+}
+func (_q *UserQuery) loadCar(ctx context.Context, query *CarQuery, nodes []*User, init func(*User), assign func(*User, *Car)) error {
+	fks := make([]driver.Value, 0, len(nodes))
+	nodeids := make(map[int]*User)
+	for i := range nodes {
+		fks = append(fks, nodes[i].ID)
+		nodeids[nodes[i].ID] = nodes[i]
+	}
+	query.withFKs = true
+	query.Where(predicate.Car(func(s *sql.Selector) {
+		s.Where(sql.InValues(s.C(user.CarColumn), fks...))
+	}))
+	neighbors, err := query.All(ctx)
+	if err != nil {
+		return err
+	}
+	for _, n := range neighbors {
+		fk := n.user_car
+		if fk == nil {
+			return fmt.Errorf(`foreign-key "user_car" is nil for node %v`, n.ID)
+		}
+		node, ok := nodeids[*fk]
+		if !ok {
+			return fmt.Errorf(`unexpected referenced foreign-key "user_car" returned %v for node %v`, *fk, n.ID)
+		}
+		assign(node, n)
+	}
+	return nil
+}
+
+func (_q *UserQuery) sqlCount(ctx context.Context) (int, error) {
+	_spec := _q.querySpec()
+	_spec.Node.Columns = _q.ctx.Fields
+	if len(_q.ctx.Fields) > 0 {
+		_spec.Unique = _q.ctx.Unique != nil && *_q.ctx.Unique
+	}
+	return sqlgraph.CountNodes(ctx, _q.driver, _spec)
+}
+
+func (_q *UserQuery) querySpec() *sqlgraph.QuerySpec {
+	_spec := sqlgraph.NewQuerySpec(user.Table, user.Columns, sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt))
+	_spec.From = _q.sql
+	if unique := _q.ctx.Unique; unique != nil {
+		_spec.Unique = *unique
+	} else if _q.path != nil {
+		_spec.Unique = true
+	}
+	if fields := _q.ctx.Fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, user.FieldID)
+		for i := range fields {
+			if fields[i] != user.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, fields[i])
+			}
+		}
+	}
+	if ps := _q.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if limit := _q.ctx.Limit; limit != nil {
+		_spec.Limit = *limit
+	}
+	if offset := _q.ctx.Offset; offset != nil {
+		_spec.Offset = *offset
+	}
+	if ps := _q.order; len(ps) > 0 {
+		_spec.Order = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	return _spec
+}
+
+func (_q *UserQuery) sqlQuery(ctx context.Context) *sql.Selector {
+	builder := sql.Dialect(_q.driver.Dialect())
+	t1 := builder.Table(user.Table)
+	columns := _q.ctx.Fields
+	if len(columns) == 0 {
+		columns = user.Columns
+	}
+	selector := builder.Select(t1.Columns(columns...)...).From(t1)
+	if _q.sql != nil {
+		selector = _q.sql
+		selector.Select(selector.Columns(columns...)...)
+	}
+	if _q.ctx.Unique != nil && *_q.ctx.Unique {
+		selector.Distinct()
+	}
+	for _, p := range _q.predicates {
+		p(selector)
+	}
+	for _, p := range _q.order {
+		p(selector)
+	}
+	if offset := _q.ctx.Offset; offset != nil {
+		// limit is mandatory for offset clause. We start
+		// with default value, and override it below if needed.
+		selector.Offset(*offset).Limit(math.MaxInt32)
+	}
+	if limit := _q.ctx.Limit; limit != nil {
+		selector.Limit(*limit)
+	}
+	return selector
+}
+
+// UserGroupBy is the group-by builder for User entities.
+type UserGroupBy struct {
+	selector
+	build *UserQuery
+}
+
+// Aggregate adds the given aggregation functions to the group-by query.
+func (_g *UserGroupBy) Aggregate(fns ...AggregateFunc) *UserGroupBy {
+	_g.fns = append(_g.fns, fns...)
+	return _g
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (_g *UserGroupBy) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, _g.build.ctx, ent.OpQueryGroupBy)
+	if err := _g.build.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*UserQuery, *UserGroupBy](ctx, _g.build, _g, _g.build.inters, v)
+}
+
+func (_g *UserGroupBy) sqlScan(ctx context.Context, root *UserQuery, v any) error {
+	selector := root.sqlQuery(ctx).Select()
+	aggregation := make([]string, 0, len(_g.fns))
+	for _, fn := range _g.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	if len(selector.SelectedColumns()) == 0 {
+		columns := make([]string, 0, len(*_g.flds)+len(_g.fns))
+		for _, f := range *_g.flds {
+			columns = append(columns, selector.C(f))
+		}
+		columns = append(columns, aggregation...)
+		selector.Select(columns...)
+	}
+	selector.GroupBy(selector.Columns(*_g.flds...)...)
+	if err := selector.Err(); err != nil {
+		return err
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := _g.build.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}
+
+// UserSelect is the builder for selecting fields of User entities.
+type UserSelect struct {
+	*UserQuery
+	selector
+}
+
+// Aggregate adds the given aggregation functions to the selector query.
+func (_s *UserSelect) Aggregate(fns ...AggregateFunc) *UserSelect {
+	_s.fns = append(_s.fns, fns...)
+	return _s
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (_s *UserSelect) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, _s.ctx, ent.OpQuerySelect)
+	if err := _s.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*UserQuery, *UserSelect](ctx, _s.UserQuery, _s, _s.inters, v)
+}
+
+func (_s *UserSelect) sqlScan(ctx context.Context, root *UserQuery, v any) error {
+	selector := root.sqlQuery(ctx)
+	aggregation := make([]string, 0, len(_s.fns))
+	for _, fn := range _s.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	switch n := len(*_s.selector.flds); {
+	case n == 0 && len(aggregation) > 0:
+		selector.Select(aggregation...)
+	case n != 0 && len(aggregation) > 0:
+		selector.AppendSelect(aggregation...)
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := _s.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}