/
studyarticle_delete.go
108 lines (97 loc) 路 2.61 KB
/
studyarticle_delete.go
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// 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/khu-dev/khumu-comment/ent/predicate"
"github.com/khu-dev/khumu-comment/ent/studyarticle"
)
// StudyArticleDelete is the builder for deleting a StudyArticle entity.
type StudyArticleDelete struct {
config
hooks []Hook
mutation *StudyArticleMutation
}
// Where adds a new predicate to the StudyArticleDelete builder.
func (sad *StudyArticleDelete) Where(ps ...predicate.StudyArticle) *StudyArticleDelete {
sad.mutation.predicates = append(sad.mutation.predicates, ps...)
return sad
}
// Exec executes the deletion query and returns how many vertices were deleted.
func (sad *StudyArticleDelete) Exec(ctx context.Context) (int, error) {
var (
err error
affected int
)
if len(sad.hooks) == 0 {
affected, err = sad.sqlExec(ctx)
} else {
var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
mutation, ok := m.(*StudyArticleMutation)
if !ok {
return nil, fmt.Errorf("unexpected mutation type %T", m)
}
sad.mutation = mutation
affected, err = sad.sqlExec(ctx)
mutation.done = true
return affected, err
})
for i := len(sad.hooks) - 1; i >= 0; i-- {
mut = sad.hooks[i](mut)
}
if _, err := mut.Mutate(ctx, sad.mutation); err != nil {
return 0, err
}
}
return affected, err
}
// ExecX is like Exec, but panics if an error occurs.
func (sad *StudyArticleDelete) ExecX(ctx context.Context) int {
n, err := sad.Exec(ctx)
if err != nil {
panic(err)
}
return n
}
func (sad *StudyArticleDelete) sqlExec(ctx context.Context) (int, error) {
_spec := &sqlgraph.DeleteSpec{
Node: &sqlgraph.NodeSpec{
Table: studyarticle.Table,
ID: &sqlgraph.FieldSpec{
Type: field.TypeInt,
Column: studyarticle.FieldID,
},
},
}
if ps := sad.mutation.predicates; len(ps) > 0 {
_spec.Predicate = func(selector *sql.Selector) {
for i := range ps {
ps[i](selector)
}
}
}
return sqlgraph.DeleteNodes(ctx, sad.driver, _spec)
}
// StudyArticleDeleteOne is the builder for deleting a single StudyArticle entity.
type StudyArticleDeleteOne struct {
sad *StudyArticleDelete
}
// Exec executes the deletion query.
func (sado *StudyArticleDeleteOne) Exec(ctx context.Context) error {
n, err := sado.sad.Exec(ctx)
switch {
case err != nil:
return err
case n == 0:
return &NotFoundError{studyarticle.Label}
default:
return nil
}
}
// ExecX is like Exec, but panics if an error occurs.
func (sado *StudyArticleDeleteOne) ExecX(ctx context.Context) {
sado.sad.ExecX(ctx)
}