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108 lines
2.5 KiB
108 lines
2.5 KiB
// Code generated by entc, DO NOT EDIT.
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package ent
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import (
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"context"
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"fmt"
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"entgo.io/ent/dialect/sql"
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"entgo.io/ent/dialect/sql/sqlgraph"
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"entgo.io/ent/schema/field"
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"github.com/go-kratos/kratos/examples/blog/internal/data/ent/article"
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"github.com/go-kratos/kratos/examples/blog/internal/data/ent/predicate"
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)
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// ArticleDelete is the builder for deleting a Article entity.
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type ArticleDelete struct {
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config
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hooks []Hook
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mutation *ArticleMutation
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}
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// Where adds a new predicate to the ArticleDelete builder.
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func (ad *ArticleDelete) Where(ps ...predicate.Article) *ArticleDelete {
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ad.mutation.predicates = append(ad.mutation.predicates, ps...)
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return ad
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}
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// Exec executes the deletion query and returns how many vertices were deleted.
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func (ad *ArticleDelete) Exec(ctx context.Context) (int, error) {
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var (
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err error
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affected int
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)
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if len(ad.hooks) == 0 {
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affected, err = ad.sqlExec(ctx)
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} else {
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var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
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mutation, ok := m.(*ArticleMutation)
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if !ok {
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return nil, fmt.Errorf("unexpected mutation type %T", m)
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}
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ad.mutation = mutation
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affected, err = ad.sqlExec(ctx)
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mutation.done = true
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return affected, err
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})
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for i := len(ad.hooks) - 1; i >= 0; i-- {
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mut = ad.hooks[i](mut)
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}
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if _, err := mut.Mutate(ctx, ad.mutation); err != nil {
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return 0, err
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}
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}
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return affected, err
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}
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// ExecX is like Exec, but panics if an error occurs.
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func (ad *ArticleDelete) ExecX(ctx context.Context) int {
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n, err := ad.Exec(ctx)
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if err != nil {
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panic(err)
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}
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return n
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}
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func (ad *ArticleDelete) sqlExec(ctx context.Context) (int, error) {
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_spec := &sqlgraph.DeleteSpec{
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Node: &sqlgraph.NodeSpec{
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Table: article.Table,
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ID: &sqlgraph.FieldSpec{
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Type: field.TypeInt64,
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Column: article.FieldID,
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},
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},
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}
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if ps := ad.mutation.predicates; len(ps) > 0 {
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_spec.Predicate = func(selector *sql.Selector) {
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for i := range ps {
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ps[i](selector)
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}
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}
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}
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return sqlgraph.DeleteNodes(ctx, ad.driver, _spec)
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}
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// ArticleDeleteOne is the builder for deleting a single Article entity.
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type ArticleDeleteOne struct {
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ad *ArticleDelete
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}
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// Exec executes the deletion query.
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func (ado *ArticleDeleteOne) Exec(ctx context.Context) error {
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n, err := ado.ad.Exec(ctx)
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switch {
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case err != nil:
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return err
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case n == 0:
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return &NotFoundError{article.Label}
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default:
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return nil
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}
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}
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// ExecX is like Exec, but panics if an error occurs.
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func (ado *ArticleDeleteOne) ExecX(ctx context.Context) {
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ado.ad.ExecX(ctx)
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}
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