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attachment_delete.go
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attachment_delete.go
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// Code generated by ent, DO NOT EDIT.
package ent
import (
"context"
"entgo.io/contrib/entproto/cmd/protoc-gen-ent/internal/todo/ent/attachment"
"entgo.io/contrib/entproto/cmd/protoc-gen-ent/internal/todo/ent/predicate"
"entgo.io/ent/dialect/sql"
"entgo.io/ent/dialect/sql/sqlgraph"
"entgo.io/ent/schema/field"
)
// AttachmentDelete is the builder for deleting a Attachment entity.
type AttachmentDelete struct {
config
hooks []Hook
mutation *AttachmentMutation
}
// Where appends a list predicates to the AttachmentDelete builder.
func (ad *AttachmentDelete) Where(ps ...predicate.Attachment) *AttachmentDelete {
ad.mutation.Where(ps...)
return ad
}
// Exec executes the deletion query and returns how many vertices were deleted.
func (ad *AttachmentDelete) Exec(ctx context.Context) (int, error) {
return withHooks[int, AttachmentMutation](ctx, ad.sqlExec, ad.mutation, ad.hooks)
}
// ExecX is like Exec, but panics if an error occurs.
func (ad *AttachmentDelete) ExecX(ctx context.Context) int {
n, err := ad.Exec(ctx)
if err != nil {
panic(err)
}
return n
}
func (ad *AttachmentDelete) sqlExec(ctx context.Context) (int, error) {
_spec := sqlgraph.NewDeleteSpec(attachment.Table, sqlgraph.NewFieldSpec(attachment.FieldID, field.TypeString))
if ps := ad.mutation.predicates; len(ps) > 0 {
_spec.Predicate = func(selector *sql.Selector) {
for i := range ps {
ps[i](selector)
}
}
}
affected, err := sqlgraph.DeleteNodes(ctx, ad.driver, _spec)
if err != nil && sqlgraph.IsConstraintError(err) {
err = &ConstraintError{msg: err.Error(), wrap: err}
}
ad.mutation.done = true
return affected, err
}
// AttachmentDeleteOne is the builder for deleting a single Attachment entity.
type AttachmentDeleteOne struct {
ad *AttachmentDelete
}
// Where appends a list predicates to the AttachmentDelete builder.
func (ado *AttachmentDeleteOne) Where(ps ...predicate.Attachment) *AttachmentDeleteOne {
ado.ad.mutation.Where(ps...)
return ado
}
// Exec executes the deletion query.
func (ado *AttachmentDeleteOne) Exec(ctx context.Context) error {
n, err := ado.ad.Exec(ctx)
switch {
case err != nil:
return err
case n == 0:
return &NotFoundError{attachment.Label}
default:
return nil
}
}
// ExecX is like Exec, but panics if an error occurs.
func (ado *AttachmentDeleteOne) ExecX(ctx context.Context) {
if err := ado.Exec(ctx); err != nil {
panic(err)
}
}