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

entc/integration/multischema/versioned/mutation.go

@@ -0,0 +1,644 @@
+// 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 versioned
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"sync"
+	"time"
+
+	"entgo.io/ent"
+	"entgo.io/ent/entc/integration/multischema/versioned/friendship"
+	"entgo.io/ent/entc/integration/multischema/versioned/group"
+	"entgo.io/ent/entc/integration/multischema/versioned/pet"
+	"entgo.io/ent/entc/integration/multischema/versioned/user"
+)
+
+const (
+	// Operation types.
+	OpCreate    = ent.OpCreate
+	OpDelete    = ent.OpDelete
+	OpDeleteOne = ent.OpDeleteOne
+	OpUpdate    = ent.OpUpdate
+	OpUpdateOne = ent.OpUpdateOne
+
+	// Node types.
+	TypeFriendship = "Friendship"
+	TypeGroup      = "Group"
+	TypePet        = "Pet"
+	TypeUser       = "User"
+)
+
+// FriendshipMutation represents an operation that mutates the Friendship nodes in the graph.
+type FriendshipMutation struct {
+	friendship.Mutation
+	config
+	id       *int
+	done     bool
+	oldValue func(context.Context) (*Friendship, error)
+}
+
+var _ ent.Mutation = (*FriendshipMutation)(nil)
+
+// friendshipOption allows management of the mutation configuration using functional options.
+type friendshipOption func(*FriendshipMutation)
+
+// newFriendshipMutation creates new mutation for the Friendship entity.
+func newFriendshipMutation(c config, op Op, opts ...friendshipOption) *FriendshipMutation {
+	m := &FriendshipMutation{
+		Mutation: *friendship.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 *FriendshipMutation) ID() (id int, exists bool) {
+	if m.id == nil {
+		return
+	}
+	return *m.id, true
+}
+
+// withFriendshipID sets the ID field of the mutation.
+func withFriendshipID(id int) friendshipOption {
+	return func(m *FriendshipMutation) {
+		var (
+			err   error
+			once  sync.Once
+			value *Friendship
+		)
+		m.oldValue = func(ctx context.Context) (*Friendship, error) {
+			once.Do(func() {
+				if m.done {
+					err = errors.New("querying old values post mutation is not allowed")
+				} else {
+					value, err = m.Client().Friendship.Get(ctx, id)
+				}
+			})
+			return value, err
+		}
+		m.id = &id
+	}
+}
+
+// withFriendship sets the old Friendship of the mutation.
+func withFriendship(node *Friendship) friendshipOption {
+	return func(m *FriendshipMutation) {
+		m.oldValue = func(context.Context) (*Friendship, 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 FriendshipMutation) 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 FriendshipMutation) Tx() (*Tx, error) {
+	if _, ok := m.driver.(*txDriver); !ok {
+		return nil, errors.New("versioned: 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 *FriendshipMutation) 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().Friendship.Query().Where(m.Predicates()...).IDs(ctx)
+	default:
+		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.Op())
+	}
+}
+
+// OldWeight returns the old "weight" field's value of the Friendship entity.
+// If the Friendship 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 *FriendshipMutation) OldWeight(ctx context.Context) (v int, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldWeight is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldWeight requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldWeight: %w", err)
+	}
+	return oldValue.Weight, nil
+}
+
+// OldCreatedAt returns the old "created_at" field's value of the Friendship entity.
+// If the Friendship 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 *FriendshipMutation) OldCreatedAt(ctx context.Context) (v time.Time, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldCreatedAt is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldCreatedAt requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldCreatedAt: %w", err)
+	}
+	return oldValue.CreatedAt, nil
+}
+
+// OldUserID returns the old "user_id" field's value of the Friendship entity.
+// If the Friendship 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 *FriendshipMutation) OldUserID(ctx context.Context) (v int, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldUserID is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldUserID requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldUserID: %w", err)
+	}
+	return oldValue.UserID, nil
+}
+
+// OldFriendID returns the old "friend_id" field's value of the Friendship entity.
+// If the Friendship 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 *FriendshipMutation) OldFriendID(ctx context.Context) (v int, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldFriendID is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldFriendID requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldFriendID: %w", err)
+	}
+	return oldValue.FriendID, 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 *FriendshipMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
+	switch name {
+	case friendship.FieldWeight:
+		return m.OldWeight(ctx)
+	case friendship.FieldCreatedAt:
+		return m.OldCreatedAt(ctx)
+	case friendship.FieldUserID:
+		return m.OldUserID(ctx)
+	case friendship.FieldFriendID:
+		return m.OldFriendID(ctx)
+	}
+	return nil, fmt.Errorf("unknown Friendship field %s", name)
+}
+
+// GroupMutation represents an operation that mutates the Group nodes in the graph.
+type GroupMutation struct {
+	group.Mutation
+	config
+	id       *int
+	done     bool
+	oldValue func(context.Context) (*Group, error)
+}
+
+var _ ent.Mutation = (*GroupMutation)(nil)
+
+// groupOption allows management of the mutation configuration using functional options.
+type groupOption func(*GroupMutation)
+
+// newGroupMutation creates new mutation for the Group entity.
+func newGroupMutation(c config, op Op, opts ...groupOption) *GroupMutation {
+	m := &GroupMutation{
+		Mutation: *group.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 *GroupMutation) ID() (id int, exists bool) {
+	if m.id == nil {
+		return
+	}
+	return *m.id, true
+}
+
+// withGroupID sets the ID field of the mutation.
+func withGroupID(id int) groupOption {
+	return func(m *GroupMutation) {
+		var (
+			err   error
+			once  sync.Once
+			value *Group
+		)
+		m.oldValue = func(ctx context.Context) (*Group, error) {
+			once.Do(func() {
+				if m.done {
+					err = errors.New("querying old values post mutation is not allowed")
+				} else {
+					value, err = m.Client().Group.Get(ctx, id)
+				}
+			})
+			return value, err
+		}
+		m.id = &id
+	}
+}
+
+// withGroup sets the old Group of the mutation.
+func withGroup(node *Group) groupOption {
+	return func(m *GroupMutation) {
+		m.oldValue = func(context.Context) (*Group, 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 GroupMutation) 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 GroupMutation) Tx() (*Tx, error) {
+	if _, ok := m.driver.(*txDriver); !ok {
+		return nil, errors.New("versioned: 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 *GroupMutation) 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().Group.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 Group entity.
+// If the Group 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 *GroupMutation) 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
+}
+
+// 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 *GroupMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
+	switch name {
+	case group.FieldName:
+		return m.OldName(ctx)
+	}
+	return nil, fmt.Errorf("unknown Group field %s", name)
+}
+
+// PetMutation represents an operation that mutates the Pet nodes in the graph.
+type PetMutation struct {
+	pet.Mutation
+	config
+	id       *int
+	done     bool
+	oldValue func(context.Context) (*Pet, error)
+}
+
+var _ ent.Mutation = (*PetMutation)(nil)
+
+// petOption allows management of the mutation configuration using functional options.
+type petOption func(*PetMutation)
+
+// newPetMutation creates new mutation for the Pet entity.
+func newPetMutation(c config, op Op, opts ...petOption) *PetMutation {
+	m := &PetMutation{
+		Mutation: *pet.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 *PetMutation) ID() (id int, exists bool) {
+	if m.id == nil {
+		return
+	}
+	return *m.id, true
+}
+
+// withPetID sets the ID field of the mutation.
+func withPetID(id int) petOption {
+	return func(m *PetMutation) {
+		var (
+			err   error
+			once  sync.Once
+			value *Pet
+		)
+		m.oldValue = func(ctx context.Context) (*Pet, error) {
+			once.Do(func() {
+				if m.done {
+					err = errors.New("querying old values post mutation is not allowed")
+				} else {
+					value, err = m.Client().Pet.Get(ctx, id)
+				}
+			})
+			return value, err
+		}
+		m.id = &id
+	}
+}
+
+// withPet sets the old Pet of the mutation.
+func withPet(node *Pet) petOption {
+	return func(m *PetMutation) {
+		m.oldValue = func(context.Context) (*Pet, 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 PetMutation) 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 PetMutation) Tx() (*Tx, error) {
+	if _, ok := m.driver.(*txDriver); !ok {
+		return nil, errors.New("versioned: 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 *PetMutation) 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().Pet.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 Pet entity.
+// If the Pet 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 *PetMutation) 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
+}
+
+// OldOwnerID returns the old "owner_id" field's value of the Pet entity.
+// If the Pet 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 *PetMutation) OldOwnerID(ctx context.Context) (v int, err error) {
+	if !m.Op().Is(OpUpdateOne) {
+		return v, errors.New("OldOwnerID is only allowed on UpdateOne operations")
+	}
+	if _, exists := m.ID(); !exists || m.oldValue == nil {
+		return v, errors.New("OldOwnerID requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldOwnerID: %w", err)
+	}
+	return oldValue.OwnerID, 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 *PetMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
+	switch name {
+	case pet.FieldName:
+		return m.OldName(ctx)
+	case pet.FieldOwnerID:
+		return m.OldOwnerID(ctx)
+	}
+	return nil, fmt.Errorf("unknown Pet 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
+}
+
+// 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("versioned: 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())
+	}
+}
+
+// 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
+}
+
+// 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.FieldName:
+		return m.OldName(ctx)
+	}
+	return nil, fmt.Errorf("unknown User field %s", name)
+}