type GetDBConnector interface {
	GetDBConn() (*sql.DB, error)
}

// Rows rows interface
type Rows interface {
	Columns() ([]string, error)
	ColumnTypes() ([]*sql.ColumnType, error)
	Next() bool
	Scan(dest ...interface{}) error
	Err() error
	Close() error
}

type ErrorTranslator interface {
	Translate(err error) error

	// Prepare the SQL statement using the provided connection.
	cacheStmt.Stmt, err = conn.PrepareContext(ctx, key)
	if err != nil {
		// If statement preparation fails, record the error and remove the invalid Stmt object from the cache.
		cacheStmt.prepareErr = err
		s.Delete(key)
		return &Stmt{}, err
	}

	// Return the successfully prepared Stmt object.
	return cacheStmt, nil

	if l.LogLevel <= Silent {
		return
	}

	elapsed := time.Since(begin)
	switch {
	case err != nil && l.LogLevel >= Error && (!errors.Is(err, ErrRecordNotFound) || !l.IgnoreRecordNotFoundError):
		sql, rows := fc()
		if rows == -1 {
			l.Printf(l.traceErrStr, utils.FileWithLineNum(), err, float64(elapsed.Nanoseconds())/1e6, "-", sql)
		} else {

	user := *GetUser("update-belongs-to", Config{})

	if err := DB.Create(&user).Error; err != nil {
		t.Fatalf("errors happened when create: %v", err)
	}

	user.Company = Company{Name: "company-belongs-to-association"}
	user.Manager = &User{Name: "manager-belongs-to-association"}
	if err := DB.Save(&user).Error; err != nil {
		t.Fatalf("errors happened when update: %v", err)
	}

	var user2 User

	}

	if err := DB.Where(CustomizeFieldStruct{Name: create.Name, FieldReadonly: create.FieldReadonly, FieldIgnore: create.FieldIgnore}).First(&CustomizeFieldStruct{}).Error; err == nil {
		t.Fatalf("Should failed to find result")
	}

	if err := DB.Table("customize_field_structs").Where("1 = 1").UpdateColumn("field_readonly", "readonly").Error; err != nil {
		t.Fatalf("failed to update field_readonly column")

				after := cs[idx]

				if after.before == "" {
					after.before = c.name
				}

				if err := sortCallback(after); err != nil {
					return err
				}

				if err := sortCallback(c); err != nil {
					return err
				}
			}
		}

		// if current callback haven't been sorted, append it to last
		if getRIndex(sorted, c.name) == -1 {

		return
	}

	err := DB.Connection(func(tx *gorm.DB) error {
		if err := tx.Exec(setSQL, expectedName).Error; err != nil {
			return err
		}

		if err := tx.Raw(getSQL).Scan(&actualName).Error; err != nil {
			return err
		}
		return nil
	})
	if err != nil {
		t.Errorf(fmt.Sprintf("WithSingleConnection should work, but got err %v", err))
	}

	if actualName != expectedName {

				schema.err = fmt.Errorf("failed to parse %s as default value for uint, got error: %v", field.DefaultValue, err)
			}
		}
	case reflect.Float32, reflect.Float64:
		field.DataType = Float
		if field.HasDefaultValue && !skipParseDefaultValue {
			if field.DefaultValueInterface, err = strconv.ParseFloat(field.DefaultValue, 64); err != nil {

	if err := DB.AutoMigrate(&Level3{}, &Level2{}, &Level1{}); err != nil {
		t.Error(err)
	}

	want := Level3{Level2: Level2{Level1: Level1{Value: "value"}}}
	if err := DB.Create(&want).Error; err != nil {
		t.Error(err)
	}

	var got Level3
	if err := DB.Preload("Level2").Preload("Level2.Level1").Find(&got).Error; err != nil {
		t.Error(err)
	}

	if !reflect.DeepEqual(got, want) {

	if err != nil {
		t.Fatalf("failed to parse user with map, got error %v", err)
	}

	if field := user.FieldsByName["Attrs"]; field.DataType != "Map(String,String)" {
		t.Errorf("failed to parse user field Attrs")
	}
}

func TestParseSchemaWithPointerFields(t *testing.T) {
	user, err := schema.Parse(&User{}, &sync.Map{}, schema.NamingStrategy{})
	if err != nil {
		t.Fatalf("failed to parse pointer user, got error %v", err)
	}