Files
oceanbase/tools/ob-configserver/ent/obcluster_delete.go
2022-05-30 16:44:36 +08:00

112 lines
2.6 KiB
Go

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