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<?php
/**
* Piwik - free/libre analytics platform
*
* @link https://matomo.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*/
namespace Piwik\Updater;
use Piwik\Db;
use Exception;
/**
* Base class for migrations. Any migration must extend this class.
*
* @api
*/
abstract class Migration
{
/**
* Executes the migration.
* @return void
*/
abstract public function exec();
/**
* Get a description of what the migration actually does. For example "Activate plugin $plugin" or
* "SELECT * FROM table".
*
* @return string
*/
abstract public function __toString();
/**
* Decides whether an error should be ignored or not.
* @param Exception $exception
* @return bool
*/
public function shouldIgnoreError($exception)
{
return false;
}
}
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