<?php
/**
 * DO NOT use it in production.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 * http://www.gnu.org/copyleft/gpl.html
 *
 * @file
 */

namespace MediaWiki\Tests\Unit\Libs\Rdbms;

use Wikimedia\Rdbms\Platform\SQLPlatform;

class SQLPlatformTestHelper extends SQLPlatform {
	/**
	 * @var bool Value to return from unionSupportsOrderAndLimit()
	 */
	protected $unionSupportsOrderAndLimit = true;

	/**
	 * TODO: remove
	 *
	 * This was previously a stub for an abstract method, but now this is the
	 * only override. But many tests depend on unquoted table names appearing
	 * in query strings.
	 *
	 * @param string $s
	 * @return string
	 */
	public function addIdentifierQuotes( $s ) {
		return $s;
	}

	public function useIndexClause( $index ) {
		return "FORCE INDEX (" . $this->indexName( $index ) . ")";
	}

	public function ignoreIndexClause( $index ) {
		return "IGNORE INDEX (" . $this->indexName( $index ) . ")";
	}

	public function unionSupportsOrderAndLimit() {
		return $this->unionSupportsOrderAndLimit;
	}

	public function setUnionSupportsOrderAndLimit( $v ) {
		$this->unionSupportsOrderAndLimit = (bool)$v;
	}
}
