Remove \OC\DB\ConnectionWrapper, have \OC\DB\Connection implement \OCP\IDBConnection directly instead

lib/private/db/connection.php

@@ -11,8 +11,9 @@ use Doctrine\DBAL\Driver;
 use Doctrine\DBAL\Configuration;
 use Doctrine\DBAL\Cache\QueryCacheProfile;
 use Doctrine\Common\EventManager;
+use OCP\IDBConnection;
 
-class Connection extends \Doctrine\DBAL\Connection {
+class Connection extends \Doctrine\DBAL\Connection implements IDBConnection {
 	/**
 	 * @var string $tablePrefix
 	 */
@@ -185,13 +186,4 @@ class Connection extends \Doctrine\DBAL\Connection {
 	protected function replaceTablePrefix($statement) {
 		return str_replace( '*PREFIX*', $this->tablePrefix, $statement );
 	}
-
-	public function enableQueryStatementCaching() {
-		$this->cachingQueryStatementEnabled = true;
-	}
-
-	public function disableQueryStatementCaching() {
-		$this->cachingQueryStatementEnabled = false;
-		$this->preparedQueries = array();
-	}
 }

lib/private/db/connectionwrapper.php

@@ -1,99 +0,0 @@
-<?php
-/**
- * Copyright (c) 2013 Thomas Müller <deepdiver@owncloud.com>
- * This file is licensed under the Affero General Public License version 3 or
- * later.
- * See the COPYING-README file.
- */
-
-namespace OC\DB;
-
-
-class ConnectionWrapper implements \OCP\IDBConnection {
-
-	private $connection;
-
-	public function __construct(Connection $conn) {
-		$this->connection = $conn;
-	}
-
-	/**
-	 * Used to the owncloud database access away
-	 * @param string $sql the sql query with ? placeholder for params
-	 * @param int $limit the maximum number of rows
-	 * @param int $offset from which row we want to start
-	 * @return \Doctrine\DBAL\Driver\Statement The prepared statement.
-	 */
-	public function prepare($sql, $limit = null, $offset = null)
-	{
-		return $this->connection->prepare($sql, $limit, $offset);
-	}
-
-	/**
-	 * Used to get the id of the just inserted element
-	 * @param string $table the name of the table where we inserted the item
-	 * @return string the id of the inserted element
-	 */
-	public function lastInsertId($table = null)
-	{
-		return $this->connection->lastInsertId($table);
-	}
-
-	/**
-	 * Insert a row if a matching row doesn't exists.
-	 * @param string $table The table name (will replace *PREFIX*) to perform the replace on.
-	 * @param array $input
-	 *
-	 * The input array if in the form:
-	 *
-	 * array ( 'id' => array ( 'value' => 6,
-	 *    'key' => true
-	 *    ),
-	 *    'name' => array ('value' => 'Stoyan'),
-	 *    'family' => array ('value' => 'Stefanov'),
-	 *    'birth_date' => array ('value' => '1975-06-20')
-	 *    );
-	 * @return bool
-	 *
-	 */
-	public function insertIfNotExist($table, $input)
-	{
-		return $this->connection->insertIfNotExist($table, $input);
-	}
-
-	/**
-	 * Start a transaction
-	 * @return bool TRUE on success or FALSE on failure
-	 */
-	public function beginTransaction()
-	{
-		return $this->connection->beginTransaction();
-	}
-
-	/**
-	 * Commit the database changes done during a transaction that is in progress
-	 * @return bool TRUE on success or FALSE on failure
-	 */
-	public function commit()
-	{
-		return $this->connection->commit();
-	}
-
-	/**
-	 * Rollback the database changes done during a transaction that is in progress
-	 * @return bool TRUE on success or FALSE on failure
-	 */
-	public function rollBack()
-	{
-		return $this->connection->rollBack();
-	}
-
-	/**
-	 * Gets the error code and message as a string for logging
-	 * @return string
-	 */
-	public function getError()
-	{
-		return $this->connection->getError();
-	}
-}

lib/private/server.php

@@ -469,7 +469,7 @@ class Server extends SimpleContainer implements IServerContainer {
 	 * @return \OCP\IDBConnection
 	 */
 	function getDatabaseConnection() {
-		return new ConnectionWrapper(\OC_DB::getConnection());
+		return \OC_DB::getConnection();
 	}
 
 	/**