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<?php
/**
* 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 Wikimedia\Rdbms;
use RuntimeException;
/**
* Database error base class.
*
* Catching and silencing this class or its subclasses is strongly discouraged.
* Most code should not catch DB errors at all,
* but let them bubble to the MediaWiki exception handler.
* If necessary, cleanup can be done in a finally block;
* catching the exception and then rethrowing it is also acceptable.
*
* @newable
* @ingroup Database
*/
class DBError extends RuntimeException {
/** @var IDatabase|null */
public $db;
/**
* Construct a database error
* @stable to call
* @param IDatabase|null $db Object which threw the error
* @param string $error A simple error message to be used for debugging
* @param \Throwable|null $prev Previous throwable
*/
public function __construct( ?IDatabase $db, $error, ?\Throwable $prev = null ) {
parent::__construct( $error, 0, $prev );
$this->db = $db;
}
}
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