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conversion_delete.go
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/
conversion_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 entc, DO NOT EDIT.
package entv2
import (
"context"
"fmt"
"entgo.io/ent/dialect/sql"
"entgo.io/ent/dialect/sql/sqlgraph"
"entgo.io/ent/entc/integration/migrate/entv2/conversion"
"entgo.io/ent/entc/integration/migrate/entv2/predicate"
"entgo.io/ent/schema/field"
)
// ConversionDelete is the builder for deleting a Conversion entity.
type ConversionDelete struct {
config
hooks []Hook
mutation *ConversionMutation
}
// Where appends a list predicates to the ConversionDelete builder.
func (cd *ConversionDelete) Where(ps ...predicate.Conversion) *ConversionDelete {
cd.mutation.Where(ps...)
return cd
}
// Exec executes the deletion query and returns how many vertices were deleted.
func (cd *ConversionDelete) Exec(ctx context.Context) (int, error) {
var (
err error
affected int
)
if len(cd.hooks) == 0 {
affected, err = cd.sqlExec(ctx)
} else {
var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
mutation, ok := m.(*ConversionMutation)
if !ok {
return nil, fmt.Errorf("unexpected mutation type %T", m)
}
cd.mutation = mutation
affected, err = cd.sqlExec(ctx)
mutation.done = true
return affected, err
})
for i := len(cd.hooks) - 1; i >= 0; i-- {
if cd.hooks[i] == nil {
return 0, fmt.Errorf("entv2: uninitialized hook (forgotten import entv2/runtime?)")
}
mut = cd.hooks[i](mut)
}
if _, err := mut.Mutate(ctx, cd.mutation); err != nil {
return 0, err
}
}
return affected, err
}
// ExecX is like Exec, but panics if an error occurs.
func (cd *ConversionDelete) ExecX(ctx context.Context) int {
n, err := cd.Exec(ctx)
if err != nil {
panic(err)
}
return n
}
func (cd *ConversionDelete) sqlExec(ctx context.Context) (int, error) {
_spec := &sqlgraph.DeleteSpec{
Node: &sqlgraph.NodeSpec{
Table: conversion.Table,
ID: &sqlgraph.FieldSpec{
Type: field.TypeInt,
Column: conversion.FieldID,
},
},
}
if ps := cd.mutation.predicates; len(ps) > 0 {
_spec.Predicate = func(selector *sql.Selector) {
for i := range ps {
ps[i](selector)
}
}
}
return sqlgraph.DeleteNodes(ctx, cd.driver, _spec)
}
// ConversionDeleteOne is the builder for deleting a single Conversion entity.
type ConversionDeleteOne struct {
cd *ConversionDelete
}
// Exec executes the deletion query.
func (cdo *ConversionDeleteOne) Exec(ctx context.Context) error {
n, err := cdo.cd.Exec(ctx)
switch {
case err != nil:
return err
case n == 0:
return &NotFoundError{conversion.Label}
default:
return nil
}
}
// ExecX is like Exec, but panics if an error occurs.
func (cdo *ConversionDeleteOne) ExecX(ctx context.Context) {
cdo.cd.ExecX(ctx)
}