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

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

@@ -0,0 +1,92 @@
+// 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/driver"
+	"fmt"
+
+	"github.com/google/uuid"
+
+	"entgo.io/ent"
+	"entgo.io/ent/schema/edge"
+	"entgo.io/ent/schema/field"
+)
+
+// Session holds the schema definition for the Session entity.
+type Session struct {
+	ent.Schema
+}
+
+// Fields of the Session.
+func (Session) Fields() []ent.Field {
+	return []ent.Field{
+		field.Bytes("id").
+			MaxLen(64).
+			GoType(ID{}).
+			DefaultFunc(NewID),
+	}
+}
+
+// Edges of the Session.
+func (Session) Edges() []ent.Edge {
+	return []ent.Edge{
+		edge.From("device", Device.Type).
+			Ref("sessions").
+			Unique(),
+	}
+}
+
+// Device holds the schema definition for the Device entity.
+type Device struct {
+	ent.Schema
+}
+
+// Fields of the Device.
+func (Device) Fields() []ent.Field {
+	return []ent.Field{
+		field.Bytes("id").
+			MaxLen(64).
+			GoType(ID{}).
+			DefaultFunc(NewID),
+	}
+}
+
+// Edges of the Device.
+func (Device) Edges() []ent.Edge {
+	return []ent.Edge{
+		edge.To("active_session", Session.Type).
+			Unique(),
+		edge.To("sessions", Session.Type),
+	}
+}
+
+type ID [64]byte
+
+func NewID() ID {
+	var id [64]byte
+	copy(id[:], uuid.NewString()+uuid.NewString()+uuid.NewString()+uuid.NewString())
+	return id
+}
+
+func (i ID) String() string {
+	return string(i[:])
+}
+
+func (i *ID) Scan(v any) error {
+	switch v := v.(type) {
+	case []byte:
+		copy(i[:], v)
+	case string:
+		copy(i[:], v)
+	default:
+		return fmt.Errorf("unexpected type: %T", v)
+	}
+	return nil
+}
+
+func (i ID) Value() (driver.Value, error) {
+	return string(i[:]), nil
+}