/
user_update.go
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/
user_update.go
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// Copyright (c) Facebook, Inc. and its affiliates. 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 entc, DO NOT EDIT.
package ent
import (
"context"
"fmt"
"github.com/facebookincubator/ent/dialect/sql"
"github.com/facebookincubator/ent/dialect/sql/sqlgraph"
"github.com/facebookincubator/ent/examples/entcpkg/ent/predicate"
"github.com/facebookincubator/ent/examples/entcpkg/ent/user"
"github.com/facebookincubator/ent/schema/field"
)
// UserUpdate is the builder for updating User entities.
type UserUpdate struct {
config
hooks []Hook
mutation *UserMutation
predicates []predicate.User
}
// Where adds a new predicate for the builder.
func (uu *UserUpdate) Where(ps ...predicate.User) *UserUpdate {
uu.predicates = append(uu.predicates, ps...)
return uu
}
// Save executes the query and returns the number of rows/vertices matched by this operation.
func (uu *UserUpdate) Save(ctx context.Context) (int, error) {
var (
err error
affected int
)
if len(uu.hooks) == 0 {
affected, err = uu.sqlSave(ctx)
} else {
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)
}
uu.mutation = mutation
affected, err = uu.sqlSave(ctx)
return affected, err
})
for i := len(uu.hooks) - 1; i >= 0; i-- {
mut = uu.hooks[i](mut)
}
if _, err := mut.Mutate(ctx, uu.mutation); err != nil {
return 0, err
}
}
return affected, err
}
// SaveX is like Save, but panics if an error occurs.
func (uu *UserUpdate) SaveX(ctx context.Context) int {
affected, err := uu.Save(ctx)
if err != nil {
panic(err)
}
return affected
}
// Exec executes the query.
func (uu *UserUpdate) Exec(ctx context.Context) error {
_, err := uu.Save(ctx)
return err
}
// ExecX is like Exec, but panics if an error occurs.
func (uu *UserUpdate) ExecX(ctx context.Context) {
if err := uu.Exec(ctx); err != nil {
panic(err)
}
}
func (uu *UserUpdate) sqlSave(ctx context.Context) (n int, err error) {
_spec := &sqlgraph.UpdateSpec{
Node: &sqlgraph.NodeSpec{
Table: user.Table,
Columns: user.Columns,
ID: &sqlgraph.FieldSpec{
Type: field.TypeInt,
Column: user.FieldID,
},
},
}
if ps := uu.predicates; len(ps) > 0 {
_spec.Predicate = func(selector *sql.Selector) {
for i := range ps {
ps[i](selector)
}
}
}
if n, err = sqlgraph.UpdateNodes(ctx, uu.driver, _spec); err != nil {
if _, ok := err.(*sqlgraph.NotFoundError); ok {
err = &NotFoundError{user.Label}
} else if cerr, ok := isSQLConstraintError(err); ok {
err = cerr
}
return 0, err
}
return n, nil
}
// UserUpdateOne is the builder for updating a single User entity.
type UserUpdateOne struct {
config
hooks []Hook
mutation *UserMutation
}
// Save executes the query and returns the updated entity.
func (uuo *UserUpdateOne) Save(ctx context.Context) (*User, error) {
var (
err error
node *User
)
if len(uuo.hooks) == 0 {
node, err = uuo.sqlSave(ctx)
} else {
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)
}
uuo.mutation = mutation
node, err = uuo.sqlSave(ctx)
return node, err
})
for i := len(uuo.hooks) - 1; i >= 0; i-- {
mut = uuo.hooks[i](mut)
}
if _, err := mut.Mutate(ctx, uuo.mutation); err != nil {
return nil, err
}
}
return node, err
}
// SaveX is like Save, but panics if an error occurs.
func (uuo *UserUpdateOne) SaveX(ctx context.Context) *User {
u, err := uuo.Save(ctx)
if err != nil {
panic(err)
}
return u
}
// Exec executes the query on the entity.
func (uuo *UserUpdateOne) Exec(ctx context.Context) error {
_, err := uuo.Save(ctx)
return err
}
// ExecX is like Exec, but panics if an error occurs.
func (uuo *UserUpdateOne) ExecX(ctx context.Context) {
if err := uuo.Exec(ctx); err != nil {
panic(err)
}
}
func (uuo *UserUpdateOne) sqlSave(ctx context.Context) (u *User, err error) {
_spec := &sqlgraph.UpdateSpec{
Node: &sqlgraph.NodeSpec{
Table: user.Table,
Columns: user.Columns,
ID: &sqlgraph.FieldSpec{
Type: field.TypeInt,
Column: user.FieldID,
},
},
}
id, ok := uuo.mutation.ID()
if !ok {
return nil, fmt.Errorf("missing User.ID for update")
}
_spec.Node.ID.Value = id
u = &User{config: uuo.config}
_spec.Assign = u.assignValues
_spec.ScanValues = u.scanValues()
if err = sqlgraph.UpdateNode(ctx, uuo.driver, _spec); err != nil {
if _, ok := err.(*sqlgraph.NotFoundError); ok {
err = &NotFoundError{user.Label}
} else if cerr, ok := isSQLConstraintError(err); ok {
err = cerr
}
return nil, err
}
return u, nil
}