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