}

	err = DB.AutoMigrate(&CurrentTimestampTest{})
	if err != nil {
		t.Fatalf("AutoMigrate err:%v", err)
	}
	AssertEqual(t, true, DB.Migrator().HasConstraint(&CurrentTimestampTest{}, "uni_current_timestamp_tests_time_at"))
	AssertEqual(t, false, DB.Migrator().HasIndex(&CurrentTimestampTest{}, "time_at"))
	AssertEqual(t, false, DB.Migrator().HasIndex(&CurrentTimestampTest{}, "time_at_2"))
}