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