snapshot of https://github.com/ent/ent.git (master, 2026-09-15; blobs > 131072B omitted)

entc/gen/template/dialect/gremlin/group.tmpl

@@ -0,0 +1,46 @@
+{{/*
+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.
+*/}}
+
+{{/* gotype: entgo.io/ent/entc/gen.typeScope */}}
+
+{{ define "dialect/gremlin/group" }}
+{{ $builder := pascal $.Scope.Builder }}
+{{ $receiver := $.Scope.Receiver }}
+
+func ({{ $receiver }} *{{ $builder }}) gremlinScan(ctx context.Context, root *{{ $.QueryName }}, v any) error {
+	var (
+		trs []any
+		names []any
+	)
+	for _, fn := range {{ $receiver }}.fns {
+		name, tr := fn("p", "")
+		trs = append(trs, tr)
+		names = append(names, name)
+	}
+	for _, f := range *{{ $receiver }}.flds {
+		names = append(names, f)
+		trs = append(trs, __.As("p").Unfold().Values(f).As(f))
+	}
+	query, bindings := root.gremlinQuery(ctx).Group().
+				By(__.Values(*{{ $receiver }}.flds...).Fold()).
+				By(__.Fold().Match(trs...).Select(names...)).
+				Select(dsl.Values).
+				Next().
+				Query()
+	res := &gremlin.Response{}
+	if err := {{ $receiver }}.build.driver.Exec(ctx, query, bindings, res); err != nil {
+		return err
+	}
+	if len(*{{ $receiver }}.flds)+len({{ $receiver }}.fns) == 1 {
+		return res.ReadVal(v)
+	}
+	vm, err := res.ReadValueMap()
+	if err != nil {
+		return err
+	}
+	return vm.Decode(v)
+}
+{{ end }}