if idx > 0 {
				builder.WriteByte(',')
			}

			builder.WriteQuoted(column.Column)
			if column.Desc {
				builder.WriteString(" DESC")
			}
		}
	}
}

// MergeClause merge order by clauses
func (orderBy OrderBy) MergeClause(clause *Clause) {
	if v, ok := clause.Expression.(OrderBy); ok {
		for i := len(orderBy.Columns) - 1; i >= 0; i-- {
			if orderBy.Columns[i].Reorder {

	for idx, column := range columns {
		if reflectValue := reflect.Indirect(reflect.Indirect(reflect.ValueOf(values[idx]))); reflectValue.IsValid() {
			mapValue[column] = reflectValue.Interface()
			if valuer, ok := mapValue[column].(driver.Valuer); ok {
				mapValue[column], _ = valuer.Value()
			} else if b, ok := mapValue[column].(sql.RawBytes); ok {
				mapValue[column] = string(b)
			}
		} else {

				"name": "my name",
			},
			expect: clause.Values{
				Columns: []clause.Column{{Name: "name"}},
				Values:  [][]interface{}{{"my name"}},
			},
		},
		{
			name: "Test convert int value",
			input: map[string]interface{}{
				"age": 18,
			},
			expect: clause.Values{
				Columns: []clause.Column{{Name: "age"}},
				Values:  [][]interface{}{{18}},
			},
		},
		{

	assignments := []clause.Assignment(set)

	sort.Slice(assignments, func(i, j int) bool {
		return strings.Compare(assignments[i].Column.Name, assignments[j].Column.Name) > 0
	})

	if len(assignments) != 2 || assignments[0].Column.Name != "name" || assignments[0].Value.(string) != "jinzhu" || assignments[1].Column.Name != "age" || assignments[1].Value.(int) != 18 {
		t.Errorf("invalid assignments, got %v", assignments)
	}

type Returning struct {
	Columns []Column
}

// Name where clause name
func (returning Returning) Name() string {
	return "RETURNING"
}

// Build build where clause
func (returning Returning) Build(builder Builder) {
	if len(returning.Columns) > 0 {
		for idx, column := range returning.Columns {
			if idx > 0 {
				builder.WriteByte(',')
			}

			builder.WriteQuoted(column)
		}
	} else {

}

func (uni *UniqueConstraint) GetName() string { return uni.Name }

func (uni *UniqueConstraint) Build() (sql string, vars []interface{}) {
	return "CONSTRAINT ? UNIQUE (?)", []interface{}{clause.Column{Name: uni.Name}, clause.Column{Name: uni.Field.DBName}}
}

// ParseUniqueConstraints parse schema unique constraints
func (schema *Schema) ParseUniqueConstraints() map[string]UniqueConstraint {
	uniques := make(map[string]UniqueConstraint)

	results := []struct {
		Clauses []clause.Interface
		Result  string
		Vars    []interface{}
	}{
		{
			[]clause.Interface{
				clause.Insert{},
				clause.Values{
					Columns: []clause.Column{{Name: "name"}, {Name: "age"}},
					Values:  [][]interface{}{{"jinzhu", 18}, {"josh", 1}},
				},
			},
			"INSERT INTO `users` (`name`,`age`) VALUES (?,?),(?,?)",
			[]interface{}{"jinzhu", 18, "josh", 1},
		},
	}

		t.Fatalf("failed to auto migrate, got error: %v", err)
	}

	for _, name := range []string{"author_id", "author_name", "author_email"} {
		if !DB.Migrator().HasColumn(&EngadgetPost{}, name) {
			t.Errorf("should has prefixed column %v", name)
		}
	}

	stmt := gorm.Statement{DB: DB}
	if err := stmt.Parse(&EngadgetPost{}); err != nil {
		t.Fatalf("failed to parse embedded struct")
	} else if len(stmt.Schema.PrimaryFields) != 1 {

//
//	func (c *wrapperConnPool) BeginTx(ctx context.Context, opts *sql.TxOptions) (*sql.Tx, error) {
//		 return c.db.BeginTx(ctx, opts)
//	}
//
// You should use BeginTx returned gorm.Tx which could wrap *sql.Tx then you can record all queries.
func (c *wrapperConnPool) BeginTx(ctx context.Context, opts *sql.TxOptions) (gorm.ConnPool, error) {
	tx, err := c.db.BeginTx(ctx, opts)
	if err != nil {
		return nil, err
	}

	})
}

func TestHasOneOverrideReferences2(t *testing.T) {
	type Profile struct {
		gorm.Model
		Name string
	}

	type User struct {
		gorm.Model
		ProfileID uint     `gorm:"column:profile_id"`
		Profile   *Profile `gorm:"foreignKey:ID;references:ProfileID"`
	}

	checkStructRelation(t, &User{}, Relation{
		Name: "Profile", Type: schema.HasOne, Schema: "User", FieldSchema: "Profile",