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item_update.go
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/
item_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"
"github.com/facebookincubator/ent/dialect/sql"
"github.com/facebookincubator/ent/dialect/sql/sqlgraph"
"github.com/facebookincubator/ent/entc/integration/ent/item"
"github.com/facebookincubator/ent/entc/integration/ent/predicate"
"github.com/facebookincubator/ent/schema/field"
)
// ItemUpdate is the builder for updating Item entities.
type ItemUpdate struct {
config
predicates []predicate.Item
}
// Where adds a new predicate for the builder.
func (iu *ItemUpdate) Where(ps ...predicate.Item) *ItemUpdate {
iu.predicates = append(iu.predicates, ps...)
return iu
}
// Save executes the query and returns the number of rows/vertices matched by this operation.
func (iu *ItemUpdate) Save(ctx context.Context) (int, error) {
return iu.sqlSave(ctx)
}
// SaveX is like Save, but panics if an error occurs.
func (iu *ItemUpdate) SaveX(ctx context.Context) int {
affected, err := iu.Save(ctx)
if err != nil {
panic(err)
}
return affected
}
// Exec executes the query.
func (iu *ItemUpdate) Exec(ctx context.Context) error {
_, err := iu.Save(ctx)
return err
}
// ExecX is like Exec, but panics if an error occurs.
func (iu *ItemUpdate) ExecX(ctx context.Context) {
if err := iu.Exec(ctx); err != nil {
panic(err)
}
}
func (iu *ItemUpdate) sqlSave(ctx context.Context) (n int, err error) {
_spec := &sqlgraph.UpdateSpec{
Node: &sqlgraph.NodeSpec{
Table: item.Table,
Columns: item.Columns,
ID: &sqlgraph.FieldSpec{
Type: field.TypeString,
Column: item.FieldID,
},
},
}
if ps := iu.predicates; len(ps) > 0 {
_spec.Predicate = func(selector *sql.Selector) {
for i := range ps {
ps[i](selector)
}
}
}
if n, err = sqlgraph.UpdateNodes(ctx, iu.driver, _spec); err != nil {
if _, ok := err.(*sqlgraph.NotFoundError); ok {
err = &NotFoundError{item.Label}
} else if cerr, ok := isSQLConstraintError(err); ok {
err = cerr
}
return 0, err
}
return n, nil
}
// ItemUpdateOne is the builder for updating a single Item entity.
type ItemUpdateOne struct {
config
id string
}
// Save executes the query and returns the updated entity.
func (iuo *ItemUpdateOne) Save(ctx context.Context) (*Item, error) {
return iuo.sqlSave(ctx)
}
// SaveX is like Save, but panics if an error occurs.
func (iuo *ItemUpdateOne) SaveX(ctx context.Context) *Item {
i, err := iuo.Save(ctx)
if err != nil {
panic(err)
}
return i
}
// Exec executes the query on the entity.
func (iuo *ItemUpdateOne) Exec(ctx context.Context) error {
_, err := iuo.Save(ctx)
return err
}
// ExecX is like Exec, but panics if an error occurs.
func (iuo *ItemUpdateOne) ExecX(ctx context.Context) {
if err := iuo.Exec(ctx); err != nil {
panic(err)
}
}
func (iuo *ItemUpdateOne) sqlSave(ctx context.Context) (i *Item, err error) {
_spec := &sqlgraph.UpdateSpec{
Node: &sqlgraph.NodeSpec{
Table: item.Table,
Columns: item.Columns,
ID: &sqlgraph.FieldSpec{
Value: iuo.id,
Type: field.TypeString,
Column: item.FieldID,
},
},
}
i = &Item{config: iuo.config}
_spec.Assign = i.assignValues
_spec.ScanValues = i.scanValues()
if err = sqlgraph.UpdateNode(ctx, iuo.driver, _spec); err != nil {
if _, ok := err.(*sqlgraph.NotFoundError); ok {
err = &NotFoundError{item.Label}
} else if cerr, ok := isSQLConstraintError(err); ok {
err = cerr
}
return nil, err
}
return i, nil
}