New in version 12.3.
Doctrine DBAL supports custom driver middlewares since version 3. These
middlewares act as a decorator around the actual
Result components can be
decorated as well. These middlewares must implement the
A common use case would be a middleware to implement SQL logging capabilities.
For more information on driver middlewares, see the Architecture chapter of the Doctrine DBAL documentation. Furthermore, look up the implementation of the EXT:adminpanel/Classes/Log/DoctrineSqlLoggingMiddleware.php in the adminpanel system extension as an example.
Registering a new driver middleware¶
<?php declare(strict_types=1); use MyVendor\MyExtension\Database\Log\MyMiddleware; defined('TYPO3') or die(); $GLOBALS['TYPO3_CONF_VARS']['DB']['Connections']['Default']['driverMiddlewares']['myextension_mymiddleware'] = MyMiddleware::class;