forked from rdeusser/contrib
/
onetomany_delete.go
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/
onetomany_delete.go
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// Copyright 2019-present Facebook
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Code generated by entc, DO NOT EDIT.
package ent
import (
"context"
"entgo.io/contrib/entgql/internal/todo/ent/onetomany"
"entgo.io/contrib/entgql/internal/todo/ent/predicate"
"entgo.io/ent/dialect/sql"
"entgo.io/ent/dialect/sql/sqlgraph"
"entgo.io/ent/schema/field"
)
// OneToManyDelete is the builder for deleting a OneToMany entity.
type OneToManyDelete struct {
config
hooks []Hook
mutation *OneToManyMutation
}
// Where appends a list predicates to the OneToManyDelete builder.
func (otmd *OneToManyDelete) Where(ps ...predicate.OneToMany) *OneToManyDelete {
otmd.mutation.Where(ps...)
return otmd
}
// Exec executes the deletion query and returns how many vertices were deleted.
func (otmd *OneToManyDelete) Exec(ctx context.Context) (int, error) {
return withHooks[int, OneToManyMutation](ctx, otmd.sqlExec, otmd.mutation, otmd.hooks)
}
// ExecX is like Exec, but panics if an error occurs.
func (otmd *OneToManyDelete) ExecX(ctx context.Context) int {
n, err := otmd.Exec(ctx)
if err != nil {
panic(err)
}
return n
}
func (otmd *OneToManyDelete) sqlExec(ctx context.Context) (int, error) {
_spec := sqlgraph.NewDeleteSpec(onetomany.Table, sqlgraph.NewFieldSpec(onetomany.FieldID, field.TypeInt))
if ps := otmd.mutation.predicates; len(ps) > 0 {
_spec.Predicate = func(selector *sql.Selector) {
for i := range ps {
ps[i](selector)
}
}
}
affected, err := sqlgraph.DeleteNodes(ctx, otmd.driver, _spec)
if err != nil && sqlgraph.IsConstraintError(err) {
err = &ConstraintError{msg: err.Error(), wrap: err}
}
otmd.mutation.done = true
return affected, err
}
// OneToManyDeleteOne is the builder for deleting a single OneToMany entity.
type OneToManyDeleteOne struct {
otmd *OneToManyDelete
}
// Where appends a list predicates to the OneToManyDelete builder.
func (otmdo *OneToManyDeleteOne) Where(ps ...predicate.OneToMany) *OneToManyDeleteOne {
otmdo.otmd.mutation.Where(ps...)
return otmdo
}
// Exec executes the deletion query.
func (otmdo *OneToManyDeleteOne) Exec(ctx context.Context) error {
n, err := otmdo.otmd.Exec(ctx)
switch {
case err != nil:
return err
case n == 0:
return &NotFoundError{onetomany.Label}
default:
return nil
}
}
// ExecX is like Exec, but panics if an error occurs.
func (otmdo *OneToManyDeleteOne) ExecX(ctx context.Context) {
if err := otmdo.Exec(ctx); err != nil {
panic(err)
}
}