php 5.3 compatibility regarding OC\DB\Connection fixed

lib/private/db/connection.php

@@ -12,7 +12,7 @@ use Doctrine\DBAL\Configuration;
 use Doctrine\DBAL\Cache\QueryCacheProfile;
 use Doctrine\Common\EventManager;
 
-class Connection extends \Doctrine\DBAL\Connection implements \OCP\IDBConnection {
+class Connection extends \Doctrine\DBAL\Connection {
 	/**
 	 * @var string $tablePrefix
 	 */

lib/private/db/connectionwrapper.php

@@ -0,0 +1,93 @@
+<?php
+
+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 $tableName the name of the table where we inserted the item
+	 * @return int the id of the inserted element
+	 */
+	public function lastInsertId($table = null)
+	{
+		return $this->connection->lastInsertId($table);
+	}
+
+	/**
+	 * Insert a row if a matching row doesn't exists.
+	 * @param string The table name (will replace *PREFIX*) to perform the replace on.
+	 * @param array
+	 *
+	 * 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

@@ -5,6 +5,7 @@ namespace OC;
 use OC\AppFramework\Http\Request;
 use OC\AppFramework\Utility\SimpleContainer;
 use OC\Cache\UserCache;
+use OC\DB\ConnectionWrapper;
 use OC\Files\Node\Root;
 use OC\Files\View;
 use OCP\IServerContainer;
@@ -289,7 +290,7 @@ class Server extends SimpleContainer implements IServerContainer {
 	 * @return \OCP\IDBConnection
 	 */
 	function getDatabaseConnection() {
-		return \OC_DB::getConnection();
+		return new ConnectionWrapper(\OC_DB::getConnection());
 	}
 
 	/**