Remove deprecated MysqlSessionInit listener

UPGRADE.md

@@ -5,6 +5,7 @@
  * Removed `json_array` type and all associated hacks.
  * Removed `Connection::TRANSACTION_*` constants.
  * Removed `AbstractPlatform::DATE_INTERVAL_UNIT_*` and `AbstractPlatform::TRIM_*` constants.
+ * Removed `MysqlSessionInit` listener.
 
 ## BC BREAK `Connection::ping()` returns `void`.
 

lib/Doctrine/DBAL/Event/Listeners/MysqlSessionInit.php

-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\DBAL\Event\Listeners;
-
-use Doctrine\Common\EventSubscriber;
-use Doctrine\DBAL\Event\ConnectionEventArgs;
-use Doctrine\DBAL\Events;
-
-/**
- * MySQL Session Init Event Subscriber which allows to set the Client Encoding of the Connection.
- *
- * @deprecated Use "charset" option to PDO MySQL Connection instead.
- */
-class MysqlSessionInit implements EventSubscriber
-{
-    /**
-     * The charset.
-     *
-     * @var string
-     */
-    private $charset;
-
-    /**
-     * The collation, or FALSE if no collation.
-     *
-     * @var string|bool
-     */
-    private $collation;
-
-    /**
-     * Configure Charset and Collation options of MySQL Client for each Connection.
-     *
-     * @param string      $charset   The charset.
-     * @param string|bool $collation The collation, or FALSE if no collation.
-     */
-    public function __construct($charset = 'utf8', $collation = false)
-    {
-        $this->charset   = $charset;
-        $this->collation = $collation;
-    }
-
-    /**
-     * @return void
-     */
-    public function postConnect(ConnectionEventArgs $args)
-    {
-        $collation = $this->collation ? ' COLLATE ' . $this->collation : '';
-        $args->getConnection()->executeUpdate('SET NAMES ' . $this->charset . $collation);
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function getSubscribedEvents()
-    {
-        return [Events::postConnect];
-    }
-}

tests/Doctrine/Tests/DBAL/Events/MysqlSessionInitTest.php

-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\Tests\DBAL\Events;
-
-use Doctrine\DBAL\Connection;
-use Doctrine\DBAL\Event\ConnectionEventArgs;
-use Doctrine\DBAL\Event\Listeners\MysqlSessionInit;
-use Doctrine\DBAL\Events;
-use Doctrine\Tests\DbalTestCase;
-
-class MysqlSessionInitTest extends DbalTestCase
-{
-    public function testPostConnect() : void
-    {
-        $connectionMock = $this->createMock(Connection::class);
-        $connectionMock->expects($this->once())
-                       ->method('executeUpdate')
-                       ->with($this->equalTo('SET NAMES foo COLLATE bar'));
-
-        $eventArgs = new ConnectionEventArgs($connectionMock);
-
-        $listener = new MysqlSessionInit('foo', 'bar');
-        $listener->postConnect($eventArgs);
-    }
-
-    public function testGetSubscribedEvents() : void
-    {
-        $listener = new MysqlSessionInit();
-        self::assertEquals([Events::postConnect], $listener->getSubscribedEvents());
-    }
-}