/
post_delete.go
92 lines (79 loc) · 2.37 KB
/
post_delete.go
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// Copyright 2019-present Facebook Inc. 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 ent, DO NOT EDIT.
package ent
import (
"context"
"entgo.io/ent/dialect/sql"
"entgo.io/ent/dialect/sql/sqlgraph"
"entgo.io/ent/entc/integration/cascadelete/ent/post"
"entgo.io/ent/entc/integration/cascadelete/ent/predicate"
"entgo.io/ent/schema/field"
)
// PostDelete is the builder for deleting a Post entity.
type PostDelete struct {
config
hooks []Hook
mutation *PostMutation
}
// Where appends a list predicates to the PostDelete builder.
func (pd *PostDelete) Where(ps ...predicate.Post) *PostDelete {
pd.mutation.Where(ps...)
return pd
}
// Exec executes the deletion query and returns how many vertices were deleted.
func (pd *PostDelete) Exec(ctx context.Context) (int, error) {
return withHooks[int, PostMutation](ctx, pd.sqlExec, pd.mutation, pd.hooks)
}
// ExecX is like Exec, but panics if an error occurs.
func (pd *PostDelete) ExecX(ctx context.Context) int {
n, err := pd.Exec(ctx)
if err != nil {
panic(err)
}
return n
}
func (pd *PostDelete) sqlExec(ctx context.Context) (int, error) {
_spec := sqlgraph.NewDeleteSpec(post.Table, sqlgraph.NewFieldSpec(post.FieldID, field.TypeInt))
if ps := pd.mutation.predicates; len(ps) > 0 {
_spec.Predicate = func(selector *sql.Selector) {
for i := range ps {
ps[i](selector)
}
}
}
affected, err := sqlgraph.DeleteNodes(ctx, pd.driver, _spec)
if err != nil && sqlgraph.IsConstraintError(err) {
err = &ConstraintError{msg: err.Error(), wrap: err}
}
pd.mutation.done = true
return affected, err
}
// PostDeleteOne is the builder for deleting a single Post entity.
type PostDeleteOne struct {
pd *PostDelete
}
// Where appends a list predicates to the PostDelete builder.
func (pdo *PostDeleteOne) Where(ps ...predicate.Post) *PostDeleteOne {
pdo.pd.mutation.Where(ps...)
return pdo
}
// Exec executes the deletion query.
func (pdo *PostDeleteOne) Exec(ctx context.Context) error {
n, err := pdo.pd.Exec(ctx)
switch {
case err != nil:
return err
case n == 0:
return &NotFoundError{post.Label}
default:
return nil
}
}
// ExecX is like Exec, but panics if an error occurs.
func (pdo *PostDeleteOne) ExecX(ctx context.Context) {
if err := pdo.Exec(ctx); err != nil {
panic(err)
}
}