}

func (cs *callbacks) Update() *processor {
	return cs.processors["update"]
}

func (cs *callbacks) Delete() *processor {
	return cs.processors["delete"]
}

func (cs *callbacks) Row() *processor {
	return cs.processors["row"]
}

func (cs *callbacks) Raw() *processor {
	return cs.processors["raw"]
}

func (p *processor) Execute(db *DB) *DB {
	// call scopes
	for len(db.Statement.scopes) > 0 {

		currentDatabase := m.DB.Migrator().CurrentDatabase()
		return m.DB.Raw("SELECT count(*) FROM information_schema.tables WHERE table_schema = ? AND table_name = ? AND table_type = ?", currentDatabase, stmt.Table, "BASE TABLE").Row().Scan(&count)
	})

	return count > 0
}

// RenameTable rename table from oldName to newName
func (m Migrator) RenameTable(oldName, newName interface{}) error {
	var oldTable, newTable interface{}

		}
	}
	return rows, err
}

func (db *PreparedStmtDB) QueryRowContext(ctx context.Context, query string, args ...interface{}) *sql.Row {
	stmt, err := db.prepare(ctx, db.ConnPool, false, query)
	if err == nil {
		return stmt.QueryRowContext(ctx, args...)
	}
	return &sql.Row{}
}

func (db *PreparedStmtDB) Ping() error {
	conn, err := db.GetDBConn()
	if err != nil {
		return err
	}

	if err := DB.Order("id ASC").Find(&rows).Error; err != nil {
		t.Fatalf("find auto_increment_struct fail, err: %v", err)
	}

	ids := make([]int64, 0, len(rows))
	for _, row := range rows {
		ids = append(ids, row.ID)
	}
	lastID := ids[len(ids)-1]

	if err := DB.Where("id IN (?)", ids).Delete(&AutoIncrementStruct{}).Error; err != nil {
		t.Fatalf("delete auto_increment_struct fail, err: %v", err)
	}

	rows, _ := DB.Table("users").Where("name = ?", "select_with_variables").Select("? as fake", gorm.Expr("name")).Rows()

	if !rows.Next() {
		t.Errorf("Should have returned at least one row")
	} else {
		columns, _ := rows.Columns()
		AssertEqual(t, columns, []string{"fake"})
	}

	rows.Close()
}

func TestSelectWithArrayInput(t *testing.T) {