Files
ent/entc/gen/template/dialect/gremlin/delete.tmpl
Ariel Mashraki 83d0063437 entc/gen: returns affected rows in delete
Summary: Pull Request resolved: https://github.com/facebookexternal/fbc/pull/1455

Reviewed By: alexsn

Differential Revision: D17396880

fbshipit-source-id: 3a3a9849b816777bd0ef94cf55b2291705a37df6
2019-09-16 08:47:42 -07:00

28 lines
825 B
Cheetah

{{/*
Copyright 2019-present Facebook Inc. All rights reserved.
This source code is licensed under the Apache 2.0 license found
in the LICENSE file in the root directory of this source tree.
*/}}
{{ define "dialect/gremlin/delete" }}
{{ $builder := pascal $.Scope.Builder }}
{{ $receiver := receiver $builder }}
func ({{ $receiver}} *{{ $builder }}) gremlinExec(ctx context.Context) (int, error) {
res := &gremlin.Response{}
query, bindings := {{ $receiver }}.gremlin().Query()
if err := {{ $receiver }}.driver.Exec(ctx, query, bindings, res); err != nil {
return 0, err
}
return res.ReadInt()
}
func ({{ $receiver }} *{{ $builder }}) gremlin() *dsl.Traversal {
t := g.V().HasLabel({{ $.Package }}.Label)
for _, p := range {{ $receiver }}.predicates {
p(t)
}
return t.SideEffect(__.Drop()).Count()
}
{{ end }}