Values:  [][]interface{}{{99.5}},
			},
		},
		{
			name: "Test convert bool value",
			input: map[string]interface{}{
				"active": true,
			},
			expect: clause.Values{
				Columns: []clause.Column{{Name: "active"}},
				Values:  [][]interface{}{{true}},
			},
		},
	}

	for _, tc := range testCase {
		t.Run(tc.name, func(t *testing.T) {

	user := *GetUser("select_create", Config{Account: true, Pets: 3, Toys: 3, Company: true, Manager: true, Team: 3, Languages: 3, Friends: 4})
	DB.Select("Account", "Toys", "Manager", "ManagerID", "Languages", "Name", "CreatedAt", "Age", "Active").Create(&user)

	var user2 User
	DB.Preload("Account").Preload("Pets").Preload("Toys").Preload("Company").Preload("Manager").Preload("Team").Preload("Languages").Preload("Friends").First(&user2, user.ID)

	userQuery := "SELECT .*user.*id.*user.*created_at.*user.*updated_at.*user.*deleted_at.*user.*name.*user.*age" +
		".*user.*birthday.*user.*company_id.*user.*manager_id.*user.*active.* "

	r := dryDB.Table("`user`").Find(&User{}).Statement
	if !regexp.MustCompile(userQuery + "FROM `user`").MatchString(r.Statement.SQL.String()) {
		t.Errorf("Table with escape character, got %v", r.Statement.SQL.String())

	}

	type NullModel struct {
		ID      uint
		Content string `gorm:"default:null"`
	}

	type NullStringModel struct {
		ID      uint
		Content string `gorm:"default:'null'"`
		Active  bool   `gorm:"default:false"`
	}

	tableName := "null_string_model"

	DB.Migrator().DropTable(tableName)

	err := DB.Table(tableName).AutoMigrate(&NullModel{})
	AssertEqual(t, err, nil)

			AssertObjEqual(t, newUser, user, "ID", "CreatedAt", "UpdatedAt", "DeletedAt", "Name", "Age", "Birthday",
				"CompanyID", "ManagerID", "Active")
		}
	}

	AssertObjEqual(t, user, expect, "ID", "CreatedAt", "UpdatedAt", "DeletedAt", "Name", "Age", "Birthday", "CompanyID",
		"ManagerID", "Active")

	t.Run("Account", func(t *testing.T) {

	userQuery := "SELECT .*users.*id.*users.*created_at.*users.*updated_at.*users.*deleted_at.*users.*name" +
		".*users.*age.*users.*birthday.*users.*company_id.*users.*manager_id.*users.*active.* FROM .*users.* "

	result := dryDB.Not(map[string]interface{}{"users.name": "jinzhu"}).Find(&User{})

	if !regexp.MustCompile(userQuery + "WHERE .*users.*name.* <> .+").MatchString(result.Statement.SQL.String()) {

				if _, ok := field.TagSettings["EMBEDDED"]; ok || !fieldStruct.Anonymous {
					ef.EmbeddedBindNames = append([]string{fieldStruct.Name}, ef.EmbeddedBindNames...)
				}
				// index is negative means is pointer
				if field.FieldType.Kind() == reflect.Struct {
					ef.StructField.Index = append([]int{fieldStruct.Index[0]}, ef.StructField.Index...)
				} else {