}

	jt := JoinTable{UserID: 1, FriendID: 2}
	err := DB.Create(&jt).Error
	if err != nil {
		t.Errorf("No error should happen when create a record without a GORM primary key. But in the database this primary key exists and is the union of 2 or more fields\n But got: %s", err)
	}
}

func TestSelectWithCreate(t *testing.T) {

		},
	})
}

func TestMany2ManyWithMultiPrimaryKeys(t *testing.T) {
	type Tag struct {
		ID     uint   `gorm:"primary_key"`
		Locale string `gorm:"primary_key"`
		Value  string
	}

	type Blog struct {
		ID         uint   `gorm:"primary_key"`
		Locale     string `gorm:"primary_key"`
		Subject    string
		Body       string
		Tags       []Tag `gorm:"many2many:blog_tags;"`

	// ErrDuplicatedKey occurs when there is a unique key constraint violation
	ErrDuplicatedKey = errors.New("duplicated key not allowed")
	// ErrForeignKeyViolated occurs when there is a foreign key constraint violation
	ErrForeignKeyViolated = errors.New("violates foreign key constraint")
	// ErrCheckConstraintViolated occurs when there is a check constraint violation

					values = append(values, clause.Column{Name: dbName}, m.DB.Migrator().FullDataTypeOf(field))
					createTableSQL += ","
				}
			}

			if !hasPrimaryKeyInDataType && len(stmt.Schema.PrimaryFields) > 0 {
				createTableSQL += "PRIMARY KEY ?,"
				primaryKeys := make([]interface{}, 0, len(stmt.Schema.PrimaryFields))

		}

		constraints := user.ParseUniqueConstraints()
		if len(constraints) != 1 {
			t.Fatalf("failed to find unique constraint, got %v", constraints)
		}

		for key := range constraints {
			if len(key) != 63 {
				t.Errorf("failed to find unique constraint, got %v", constraints)
			}
		}
	})

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

			pkFieldName = db.Statement.Schema.PrioritizedPrimaryField.DBName
		}

		// append @id column with value for auto-increment primary key
		// the @id value is correct, when: 1. without setting auto-increment primary key, 2. database AutoIncrementIncrement = 1
		switch values := db.Statement.Dest.(type) {
		case map[string]interface{}:
			values[pkFieldName] = insertID
		case *map[string]interface{}:

		return
	}

	type UniqueTest struct {
		ID   string `gorm:"primary_key"`
		Name string `gorm:"unique"`
	}

	type UniqueTest2 struct {
		ID   string `gorm:"primary_key"`
		Name string `gorm:"unique;default:NULL"`
	}

	type UniqueTest3 struct {
		ID   string `gorm:"primary_key"`
		Name string `gorm:"unique;default:''"`
	}

	type UniqueTest4 struct {

	"gorm.io/gorm/utils"
)

// Model specify the model you would like to run db operations
//
//	// update all users's name to `hello`
//	db.Model(&User{}).Update("name", "hello")
//	// if user's primary key is non-blank, will use it as condition, then will only update that user's name to `hello`
//	db.Model(&user).Update("name", "hello")
func (db *DB) Model(value interface{}) (tx *DB) {
	tx = db.getInstance()

		AssertObjEqual(t, user.Account, expect.Account, "ID", "CreatedAt", "UpdatedAt", "DeletedAt", "UserID", "Number")

		if user.Account.Number != "" {
			if !user.Account.UserID.Valid {
				t.Errorf("Account's foreign key should be saved")
			} else {
				var account Account
				db(unscoped).First(&account, "user_id = ?", user.ID)
				AssertObjEqual(t, account, user.Account, "ID", "CreatedAt", "UpdatedAt", "DeletedAt", "UserID",

	preloadMap := parsePreloadMap(db.Statement.Schema, preloads)

	// avoid random traversal of the map
	preloadNames := make([]string, 0, len(preloadMap))
	for key := range preloadMap {
		preloadNames = append(preloadNames, key)
	}
	sort.Strings(preloadNames)

	isJoined := func(name string) (joined bool, nestedJoins []string) {
		for _, join := range joins {