tx := m.DB.Session(&gorm.Session{})
		if err := m.RunWithValue(values[i], func(stmt *gorm.Statement) error {
			return tx.Exec("DROP TABLE IF EXISTS ?", m.CurrentTable(stmt)).Error
		}); err != nil {
			return err
		}
	}
	return nil
}

// HasTable returns table exists or not for value, value could be a struct or string
func (m Migrator) HasTable(value interface{}) bool {
	var count int64

		}

		datas, ok := identityMap[utils.ToStringKey(fieldValues...)]
		if !ok {
			return fmt.Errorf("failed to assign association %#v, make sure foreign fields exists", elem.Interface())
		}

		for _, data := range datas {
			reflectFieldValue := rel.Field.ReflectValueOf(tx.Statement.Context, data)
			if reflectFieldValue.Kind() == reflect.Ptr && reflectFieldValue.IsNil() {

		}
	}
}

func TestContains(t *testing.T) {
	containsTests := []struct {
		name  string
		elems []string
		elem  string
		out   bool
	}{
		{"exists", []string{"1", "2", "3"}, "1", true},
		{"not exists", []string{"1", "2", "3"}, "4", false},
	}
	for _, test := range containsTests {
		t.Run(test.name, func(t *testing.T) {
			if out := Contains(test.elems, test.elem); test.out != out {

	if len(user3.Pets) != 0 {
		t.Fatalf("User.Pet[0] was deleted and should not exist.")
	}

	var user4 *User
	DB.Preload("Pets.Toy").Find(&user4, "id = ?", user.ID)
	if len(user4.Pets) != 0 {
		t.Fatalf("User.Pet[0] was deleted and should not exist.")
	}

	var user5 User
	DB.Unscoped().Preload(clause.Associations+"."+clause.Associations).Find(&user5, "id = ?", user.ID)

	}

	// RelationModel3 should be existed
	_, err = findColumnType(&RelationModel3{}, "id")
	AssertEqual(t, nil, err)

	// RelationModel1 should not be existed
	_, err = findColumnType(&RelationModel1{}, "id")
	if err == nil {
		t.Errorf("RelationModel1 should not be migrated")
	}

	// RelationModel2 should not be existed
	_, err = findColumnType(&RelationModel2{}, "id")

			return true
		}
		if cs[j].after == "*" && cs[i].after != "*" {
			return true
		}
		return false
	})

	for _, c := range cs {
		// show warning message the callback name already exists
		if idx := getRIndex(names, c.name); idx > -1 && !c.replace && !c.remove && !cs[idx].remove {
			c.processor.db.Logger.Warn(context.Background(), "duplicated callback `%s` from %s\n", c.name, utils.FileWithLineNum())
		}

	CheckUser(t, result2, user2)
}

func TestFirstOrCreateNotExistsTable(t *testing.T) {
	company := Company{Name: "first_or_create_if_not_exists_table"}
	if err := DB.Table("not_exists").FirstOrCreate(&company).Error; err == nil {
		t.Errorf("not exists table, but err is nil")
	}
}

func TestFirstOrCreateWithPrimaryKey(t *testing.T) {
	company := Company{ID: 100, Name: "company100_with_primarykey"}

		t.Fatalf("loaded should be false")
	}

	if loaded = loadOrStoreVisitMap(&vm, reflect.ValueOf(&t1)); !loaded {
		t.Fatalf("loaded should be true")
	}

	// t1 already exist but t2 not
	if loaded = loadOrStoreVisitMap(&vm, reflect.ValueOf([]*testM{&t1, &t2, &t3})); loaded {
		t.Fatalf("loaded should be false")
	}