/
blog_delete.go
92 lines (79 loc) · 2.36 KB
/
blog_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 entv2
import (
"context"
"entgo.io/ent/dialect/sql"
"entgo.io/ent/dialect/sql/sqlgraph"
"entgo.io/ent/entc/integration/migrate/entv2/blog"
"entgo.io/ent/entc/integration/migrate/entv2/predicate"
"entgo.io/ent/schema/field"
)
// BlogDelete is the builder for deleting a Blog entity.
type BlogDelete struct {
config
hooks []Hook
mutation *BlogMutation
}
// Where appends a list predicates to the BlogDelete builder.
func (bd *BlogDelete) Where(ps ...predicate.Blog) *BlogDelete {
bd.mutation.Where(ps...)
return bd
}
// Exec executes the deletion query and returns how many vertices were deleted.
func (bd *BlogDelete) Exec(ctx context.Context) (int, error) {
return withHooks[int, BlogMutation](ctx, bd.sqlExec, bd.mutation, bd.hooks)
}
// ExecX is like Exec, but panics if an error occurs.
func (bd *BlogDelete) ExecX(ctx context.Context) int {
n, err := bd.Exec(ctx)
if err != nil {
panic(err)
}
return n
}
func (bd *BlogDelete) sqlExec(ctx context.Context) (int, error) {
_spec := sqlgraph.NewDeleteSpec(blog.Table, sqlgraph.NewFieldSpec(blog.FieldID, field.TypeInt))
if ps := bd.mutation.predicates; len(ps) > 0 {
_spec.Predicate = func(selector *sql.Selector) {
for i := range ps {
ps[i](selector)
}
}
}
affected, err := sqlgraph.DeleteNodes(ctx, bd.driver, _spec)
if err != nil && sqlgraph.IsConstraintError(err) {
err = &ConstraintError{msg: err.Error(), wrap: err}
}
bd.mutation.done = true
return affected, err
}
// BlogDeleteOne is the builder for deleting a single Blog entity.
type BlogDeleteOne struct {
bd *BlogDelete
}
// Where appends a list predicates to the BlogDelete builder.
func (bdo *BlogDeleteOne) Where(ps ...predicate.Blog) *BlogDeleteOne {
bdo.bd.mutation.Where(ps...)
return bdo
}
// Exec executes the deletion query.
func (bdo *BlogDeleteOne) Exec(ctx context.Context) error {
n, err := bdo.bd.Exec(ctx)
switch {
case err != nil:
return err
case n == 0:
return &NotFoundError{blog.Label}
default:
return nil
}
}
// ExecX is like Exec, but panics if an error occurs.
func (bdo *BlogDeleteOne) ExecX(ctx context.Context) {
if err := bdo.Exec(ctx); err != nil {
panic(err)
}
}