includes/libs/rdbms/encasing/Subquery.php

   1 <?php
   2 /**
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation; either version 2 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  16  * http://www.gnu.org/copyleft/gpl.html
  17  *
  18  * @file
  19  */
  20
  21 namespace Wikimedia\Rdbms;
  22
  23 use Stringable;
  24
  25 /**
  26  * @ingroup Database
  27  */
  28 class Subquery implements Stringable {
  29         /** @var string */
  30         private $sql;
  31
  32         /**
  33          * @param string $sql SQL query defining the table
  34          */
  35         public function __construct( $sql ) {
  36                 $this->sql = $sql;
  37         }
  38
  39         /**
  40          * @return string Original SQL query
  41          */
  42         public function __toString() {
  43                 return '(' . $this->sql . ')';
  44         }
  45 }