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<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
* @category Piwik
* @package Piwik
*/
namespace Piwik\Updates;
use Piwik\Common;
use Piwik\Db;
use Piwik\Updater;
use Piwik\Updates;
/**
* @package Updates
*/
class Updates_2_0_a12 extends Updates
{
public static function getSql($schema = 'Myisam')
{
$result = array(
'ALTER TABLE ' . Common::prefixTable('logger_message') . ' MODIFY level VARCHAR(16) NULL' => false
);
$unneededLogTables = array('logger_exception', 'logger_error', 'logger_api_call');
foreach ($unneededLogTables as $table) {
$tableName = Common::prefixTable($table);
try {
$rows = Db::fetchOne("SELECT COUNT(*) FROM $tableName");
if ($rows == 0) {
$result["DROP TABLE $tableName"] = false;
}
} catch (\Exception $ex) {
// ignore
}
}
return $result;
}
public static function update()
{
// change level column in logger_message table to string & remove other logging tables if empty
Updater::updateDatabase(__FILE__, self::getSql());
}
}
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