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entc/gen/mutation: add IDs method for mutations

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This commit is contained in:
Ariel Mashraki
2021-11-03 14:46:54 +02:00
committed by Ariel Mashraki
parent e8e4401d27
commit caa673826a
33 changed files with 2958 additions and 929 deletions
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90
examples/start/ent/mutation.go
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@@ -8,6 +8,7 @@ package ent
import (
"context"
"errors"
"fmt"
"sync"
"time"
@@ -80,7 +81,7 @@ func withCarID(id int) carOption {
m.oldValue = func(ctx context.Context) (*Car, error) {
once.Do(func() {
if m.done {
err = fmt.Errorf("querying old values post mutation is not allowed")
err = errors.New("querying old values post mutation is not allowed")
} else {
value, err = m.Client().Car.Get(ctx, id)
}
@@ -113,7 +114,7 @@ func (m CarMutation) Client() *Client {
// it returns an error otherwise.
func (m CarMutation) Tx() (*Tx, error) {
if _, ok := m.driver.(*txDriver); !ok {
return nil, fmt.Errorf("ent: mutation is not running in a transaction")
return nil, errors.New("ent: mutation is not running in a transaction")
}
tx := &Tx{config: m.config}
tx.init()
@@ -129,6 +130,25 @@ func (m *CarMutation) ID() (id int, exists bool) {
return *m.id, true
}
// 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)
}
}
// SetModel sets the "model" field.
func (m *CarMutation) SetModel(s string) {
m.model = &s
@@ -148,10 +168,10 @@ func (m *CarMutation) Model() (r string, exists bool) {
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *CarMutation) OldModel(ctx context.Context) (v string, err error) {
if !m.op.Is(OpUpdateOne) {
return v, fmt.Errorf("OldModel is only allowed on UpdateOne operations")
return v, errors.New("OldModel is only allowed on UpdateOne operations")
}
if m.id == nil || m.oldValue == nil {
return v, fmt.Errorf("OldModel requires an ID field in the mutation")
return v, errors.New("OldModel requires an ID field in the mutation")
}
oldValue, err := m.oldValue(ctx)
if err != nil {
@@ -184,10 +204,10 @@ func (m *CarMutation) RegisteredAt() (r time.Time, exists bool) {
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *CarMutation) OldRegisteredAt(ctx context.Context) (v time.Time, err error) {
if !m.op.Is(OpUpdateOne) {
return v, fmt.Errorf("OldRegisteredAt is only allowed on UpdateOne operations")
return v, errors.New("OldRegisteredAt is only allowed on UpdateOne operations")
}
if m.id == nil || m.oldValue == nil {
return v, fmt.Errorf("OldRegisteredAt requires an ID field in the mutation")
return v, errors.New("OldRegisteredAt requires an ID field in the mutation")
}
oldValue, err := m.oldValue(ctx)
if err != nil {
@@ -495,7 +515,7 @@ func withGroupID(id int) groupOption {
m.oldValue = func(ctx context.Context) (*Group, error) {
once.Do(func() {
if m.done {
err = fmt.Errorf("querying old values post mutation is not allowed")
err = errors.New("querying old values post mutation is not allowed")
} else {
value, err = m.Client().Group.Get(ctx, id)
}
@@ -528,7 +548,7 @@ func (m GroupMutation) Client() *Client {
// it returns an error otherwise.
func (m GroupMutation) Tx() (*Tx, error) {
if _, ok := m.driver.(*txDriver); !ok {
return nil, fmt.Errorf("ent: mutation is not running in a transaction")
return nil, errors.New("ent: mutation is not running in a transaction")
}
tx := &Tx{config: m.config}
tx.init()
@@ -544,6 +564,25 @@ func (m *GroupMutation) ID() (id int, exists bool) {
return *m.id, true
}
// 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)
}
}
// SetName sets the "name" field.
func (m *GroupMutation) SetName(s string) {
m.name = &s
@@ -563,10 +602,10 @@ func (m *GroupMutation) Name() (r string, exists bool) {
// 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, fmt.Errorf("OldName is only allowed on UpdateOne operations")
return v, errors.New("OldName is only allowed on UpdateOne operations")
}
if m.id == nil || m.oldValue == nil {
return v, fmt.Errorf("OldName requires an ID field in the mutation")
return v, errors.New("OldName requires an ID field in the mutation")
}
oldValue, err := m.oldValue(ctx)
if err != nil {
@@ -885,7 +924,7 @@ func withUserID(id int) userOption {
m.oldValue = func(ctx context.Context) (*User, error) {
once.Do(func() {
if m.done {
err = fmt.Errorf("querying old values post mutation is not allowed")
err = errors.New("querying old values post mutation is not allowed")
} else {
value, err = m.Client().User.Get(ctx, id)
}
@@ -918,7 +957,7 @@ func (m UserMutation) Client() *Client {
// it returns an error otherwise.
func (m UserMutation) Tx() (*Tx, error) {
if _, ok := m.driver.(*txDriver); !ok {
return nil, fmt.Errorf("ent: mutation is not running in a transaction")
return nil, errors.New("ent: mutation is not running in a transaction")
}
tx := &Tx{config: m.config}
tx.init()
@@ -934,6 +973,25 @@ func (m *UserMutation) ID() (id int, exists bool) {
return *m.id, true
}
// 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)
}
}
// SetAge sets the "age" field.
func (m *UserMutation) SetAge(i int) {
m.age = &i
@@ -954,10 +1012,10 @@ func (m *UserMutation) Age() (r int, exists bool) {
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *UserMutation) OldAge(ctx context.Context) (v int, err error) {
if !m.op.Is(OpUpdateOne) {
return v, fmt.Errorf("OldAge is only allowed on UpdateOne operations")
return v, errors.New("OldAge is only allowed on UpdateOne operations")
}
if m.id == nil || m.oldValue == nil {
return v, fmt.Errorf("OldAge requires an ID field in the mutation")
return v, errors.New("OldAge requires an ID field in the mutation")
}
oldValue, err := m.oldValue(ctx)
if err != nil {
@@ -1009,10 +1067,10 @@ func (m *UserMutation) Name() (r string, exists bool) {
// 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, fmt.Errorf("OldName is only allowed on UpdateOne operations")
return v, errors.New("OldName is only allowed on UpdateOne operations")
}
if m.id == nil || m.oldValue == nil {
return v, fmt.Errorf("OldName requires an ID field in the mutation")
return v, errors.New("OldName requires an ID field in the mutation")
}
oldValue, err := m.oldValue(ctx)
if err != nil {