mirror of
https://github.com/ent/ent.git
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7a480e3943
* entc/gen: use more go-ish names for generated error types * entc/gen: add NotLodedError type for eager-load api
85 lines
2.2 KiB
Go
85 lines
2.2 KiB
Go
// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
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// This source code is licensed under the Apache 2.0 license found
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// in the LICENSE file in the root directory of this source tree.
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// 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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"github.com/facebookincubator/ent/dialect/gremlin"
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"github.com/facebookincubator/ent/dialect/gremlin/graph/dsl"
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"github.com/facebookincubator/ent/dialect/gremlin/graph/dsl/__"
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"github.com/facebookincubator/ent/dialect/gremlin/graph/dsl/g"
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"github.com/facebookincubator/ent/entc/integration/gremlin/ent/predicate"
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"github.com/facebookincubator/ent/entc/integration/gremlin/ent/spec"
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)
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// SpecDelete is the builder for deleting a Spec entity.
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type SpecDelete struct {
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config
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predicates []predicate.Spec
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}
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// Where adds a new predicate to the delete builder.
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func (sd *SpecDelete) Where(ps ...predicate.Spec) *SpecDelete {
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sd.predicates = append(sd.predicates, ps...)
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return sd
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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 (sd *SpecDelete) Exec(ctx context.Context) (int, error) {
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return sd.gremlinExec(ctx)
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}
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// ExecX is like Exec, but panics if an error occurs.
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func (sd *SpecDelete) ExecX(ctx context.Context) int {
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n, err := sd.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 (sd *SpecDelete) gremlinExec(ctx context.Context) (int, error) {
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res := &gremlin.Response{}
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query, bindings := sd.gremlin().Query()
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if err := sd.driver.Exec(ctx, query, bindings, res); err != nil {
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return 0, err
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}
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return res.ReadInt()
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}
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func (sd *SpecDelete) gremlin() *dsl.Traversal {
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t := g.V().HasLabel(spec.Label)
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for _, p := range sd.predicates {
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p(t)
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}
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return t.SideEffect(__.Drop()).Count()
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}
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// SpecDeleteOne is the builder for deleting a single Spec entity.
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type SpecDeleteOne struct {
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sd *SpecDelete
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}
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// Exec executes the deletion query.
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func (sdo *SpecDeleteOne) Exec(ctx context.Context) error {
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n, err := sdo.sd.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{spec.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 (sdo *SpecDeleteOne) ExecX(ctx context.Context) {
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sdo.sd.ExecX(ctx)
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}
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