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

entc/integration/migrate/entv2/car_update.go

@@ -0,0 +1,346 @@
+// 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 entv2
+
+import (
+	"context"
+	"errors"
+	"fmt"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/entc/integration/migrate/entv2/car"
+	"entgo.io/ent/entc/integration/migrate/entv2/predicate"
+	"entgo.io/ent/entc/integration/migrate/entv2/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
+}
+
+// SetName sets the "name" field.
+func (_u *CarUpdate) SetName(v string) *CarUpdate {
+	_u.mutation.SetName(v)
+	return _u
+}
+
+// SetNillableName sets the "name" field if the given value is not nil.
+func (_u *CarUpdate) SetNillableName(v *string) *CarUpdate {
+	if v != nil {
+		_u.SetName(*v)
+	}
+	return _u
+}
+
+// ClearName clears the value of the "name" field.
+func (_u *CarUpdate) ClearName() *CarUpdate {
+	_u.mutation.ClearName()
+	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
+}
+
+// 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)
+	}
+}
+
+// check runs all checks and user-defined validators on the builder.
+func (_u *CarUpdate) check() error {
+	if _u.mutation.OwnerCleared() && len(_u.mutation.OwnerIDs()) > 0 {
+		return errors.New(`entv2: clearing a required unique edge "Car.owner"`)
+	}
+	return nil
+}
+
+func (_u *CarUpdate) sqlSave(ctx context.Context) (_node int, err error) {
+	if err := _u.check(); err != nil {
+		return _node, err
+	}
+	_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 value, ok := _u.mutation.Name(); ok {
+		_spec.SetField(car.FieldName, field.TypeString, value)
+	}
+	if _u.mutation.NameCleared() {
+		_spec.ClearField(car.FieldName, field.TypeString)
+	}
+	if _u.mutation.OwnerCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2O,
+			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.M2O,
+			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
+}
+
+// SetName sets the "name" field.
+func (_u *CarUpdateOne) SetName(v string) *CarUpdateOne {
+	_u.mutation.SetName(v)
+	return _u
+}
+
+// SetNillableName sets the "name" field if the given value is not nil.
+func (_u *CarUpdateOne) SetNillableName(v *string) *CarUpdateOne {
+	if v != nil {
+		_u.SetName(*v)
+	}
+	return _u
+}
+
+// ClearName clears the value of the "name" field.
+func (_u *CarUpdateOne) ClearName() *CarUpdateOne {
+	_u.mutation.ClearName()
+	return _u
+}
+
+// SetOwnerID sets the "owner" edge to the User entity by ID.
+func (_u *CarUpdateOne) SetOwnerID(id int) *CarUpdateOne {
+	_u.mutation.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)
+	}
+}
+
+// check runs all checks and user-defined validators on the builder.
+func (_u *CarUpdateOne) check() error {
+	if _u.mutation.OwnerCleared() && len(_u.mutation.OwnerIDs()) > 0 {
+		return errors.New(`entv2: clearing a required unique edge "Car.owner"`)
+	}
+	return nil
+}
+
+func (_u *CarUpdateOne) sqlSave(ctx context.Context) (_node *Car, err error) {
+	if err := _u.check(); err != nil {
+		return _node, err
+	}
+	_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(`entv2: 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("entv2: 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 value, ok := _u.mutation.Name(); ok {
+		_spec.SetField(car.FieldName, field.TypeString, value)
+	}
+	if _u.mutation.NameCleared() {
+		_spec.ClearField(car.FieldName, field.TypeString)
+	}
+	if _u.mutation.OwnerCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2O,
+			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.M2O,
+			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
+}