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item_delete.go
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/
item_delete.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"
)
// ItemDelete is the builder for deleting a Item entity.
type ItemDelete struct {
config
predicates []predicate.Item
}
// Where adds a new predicate to the delete builder.
func (id *ItemDelete) Where(ps ...predicate.Item) *ItemDelete {
id.predicates = append(id.predicates, ps...)
return id
}
// Exec executes the deletion query and returns how many vertices were deleted.
func (id *ItemDelete) Exec(ctx context.Context) (int, error) {
return id.sqlExec(ctx)
}
// ExecX is like Exec, but panics if an error occurs.
func (id *ItemDelete) ExecX(ctx context.Context) int {
n, err := id.Exec(ctx)
if err != nil {
panic(err)
}
return n
}
func (id *ItemDelete) sqlExec(ctx context.Context) (int, error) {
_spec := &sqlgraph.DeleteSpec{
Node: &sqlgraph.NodeSpec{
Table: item.Table,
ID: &sqlgraph.FieldSpec{
Type: field.TypeString,
Column: item.FieldID,
},
},
}
if ps := id.predicates; len(ps) > 0 {
_spec.Predicate = func(selector *sql.Selector) {
for i := range ps {
ps[i](selector)
}
}
}
return sqlgraph.DeleteNodes(ctx, id.driver, _spec)
}
// ItemDeleteOne is the builder for deleting a single Item entity.
type ItemDeleteOne struct {
id *ItemDelete
}
// Exec executes the deletion query.
func (ido *ItemDeleteOne) Exec(ctx context.Context) error {
n, err := ido.id.Exec(ctx)
switch {
case err != nil:
return err
case n == 0:
return &NotFoundError{item.Label}
default:
return nil
}
}
// ExecX is like Exec, but panics if an error occurs.
func (ido *ItemDeleteOne) ExecX(ctx context.Context) {
ido.id.ExecX(ctx)
}