Title      string
	Categories []*Category `gorm:"Many2Many:post_categories"`
}

type Category struct {
	ID    uuid.UUID `gorm:"primary_key;type:uuid;default:uuid_generate_v4();"`
	Title string
	Posts []*Post `gorm:"Many2Many:post_categories"`
}

func TestMany2ManyWithDefaultValueUUID(t *testing.T) {
	if DB.Dialector.Name() != "postgres" {
		t.Skip()
	}

	. "gorm.io/gorm/utils/tests"
)

var DB *gorm.DB
var (
	mysqlDSN     = "gorm:gorm@tcp(localhost:9910)/gorm?charset=utf8&parseTime=True&loc=Local"
	postgresDSN  = "user=gorm password=gorm dbname=gorm host=localhost port=9920 sslmode=disable TimeZone=Asia/Shanghai"
	sqlserverDSN = "sqlserver://gorm:LoremIpsum86@localhost:9930?database=gorm"
	tidbDSN      = "root:@tcp(localhost:9940)/test?charset=utf8&parseTime=True&loc=Local"
)