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<?php
declare(strict_types=1);
/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
namespace TYPO3\CMS\Install\Updates;
use TYPO3\CMS\Core\Database\ConnectionPool;
use TYPO3\CMS\Core\Database\Query\QueryBuilder;
use TYPO3\CMS\Core\Log\LogDataTrait;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Install\Attribute\UpgradeWizard;
/**
* @internal This class is only meant to be used within EXT:install and is not part of the TYPO3 Core API.
*/
#[UpgradeWizard('sysLogSerialization')]
class SysLogSerializationUpdate implements UpgradeWizardInterface
{
use LogDataTrait;
private const TABLE_NAME = 'sys_log';
public function getTitle(): string
{
return 'Migrate sys_log entries to a JSON formatted value.';
}
public function getDescription(): string
{
return 'All sys_log_entries are now updated to contain JSON values in the "log_data" field.';
}
public function getPrerequisites(): array
{
return [
DatabaseUpdatedPrerequisite::class,
];
}
public function updateNecessary(): bool
{
return $this->hasRecordsToUpdate();
}
public function executeUpdate(): bool
{
$connection = $this->getConnectionPool()->getConnectionForTable(self::TABLE_NAME);
// Perform fast update of a:0:{}, since it evaluates to []
$connection->update(
self::TABLE_NAME,
['log_data' => '[]'],
['log_data' => 'a:0:{}']
);
// Perform fast update of a:1:{i:0;s:0:"";}, since it evaluates to [""]
$connection->update(
self::TABLE_NAME,
['log_data' => '[""]'],
['log_data' => 'a:1:{i:0;s:0:"";}']
);
$queryBuilder = $this->getPreparedQueryBuilder();
$result = $queryBuilder
->select('uid', 'log_data')
->where(
$queryBuilder->expr()->like('log_data', $queryBuilder->createNamedParameter('a:%'))
)
->executeQuery();
while ($record = $result->fetchAssociative()) {
$logData = $this->unserializeLogData($record['log_data'] ?? '');
$connection->update(
self::TABLE_NAME,
['log_data' => json_encode($logData)],
['uid' => (int)$record['uid']]
);
}
return true;
}
protected function hasRecordsToUpdate(): bool
{
$queryBuilder = $this->getPreparedQueryBuilder();
return (bool)$queryBuilder
->count('uid')
->where(
$queryBuilder->expr()->like('log_data', $queryBuilder->createNamedParameter('a:%'))
)
->executeQuery()
->fetchOne();
}
protected function getPreparedQueryBuilder(): QueryBuilder
{
$queryBuilder = $this->getConnectionPool()->getQueryBuilderForTable(self::TABLE_NAME);
$queryBuilder->from(self::TABLE_NAME);
return $queryBuilder;
}
protected function getConnectionPool(): ConnectionPool
{
return GeneralUtility::makeInstance(ConnectionPool::class);
}
}