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

entc/integration/customid/ent/schema/valuescan.go

@@ -0,0 +1,43 @@
+// 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.
+
+package schema
+
+import (
+	"database/sql"
+	"database/sql/driver"
+
+	"entgo.io/ent"
+	"entgo.io/ent/schema/field"
+)
+
+// ValueScan holds the schema definition for the ValueScan entity.
+type ValueScan struct {
+	ent.Schema
+}
+
+// ValueScanID is a custom ID type that relies on an external ValueScanner.
+type ValueScanID struct {
+	V int
+}
+
+// Fields of the ValueScan.
+func (ValueScan) Fields() []ent.Field {
+	return []ent.Field{
+		field.Int("id").
+			GoType(ValueScanID{}).
+			ValueScanner(field.ValueScannerFunc[ValueScanID, *sql.NullInt64]{
+				V: func(id ValueScanID) (driver.Value, error) {
+					return int64(id.V), nil
+				},
+				S: func(id *sql.NullInt64) (ValueScanID, error) {
+					if !id.Valid {
+						return ValueScanID{}, nil
+					}
+					return ValueScanID{V: int(id.Int64)}, nil
+				},
+			}),
+		field.String("name"),
+	}
+}