Add reconnectable statement

lib/classes/connection/pdoStatementReconnectable.php

@@ -0,0 +1,52 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+class connection_pdoStatementReconnectable implements \connection_statement
+{
+    protected $queryString;
+    protected $statement;
+    protected $conn;
+
+    public function __construct(\connection_statement $statement, \connection_pdo $conn)
+    {
+        $this->statement = $statement;
+        $this->conn = $conn;
+
+        return $this;
+    }
+
+    public function getQueryString()
+    {
+        return $this->statement->getQueryString();
+    }
+
+    public function execute($params = array())
+    {
+        try {
+            return $this->statement->execute($params);
+        } catch (\Exception $e) {
+            $unreachable = ($e->getCode() === 2006) || (false !== strpos($e->getMessage(), 'MySQL server has gone away')) || (false !== strpos($e->getMessage(), 'errno=32 Broken pipe'));
+            if (!$unreachable) {
+                throw $e;
+            }
+            $this->conn->connect();
+        }
+        // retry query with update statement
+        $this->statement = $this->conn->prepare($this->getQueryString());
+
+        return $this->statement->execute($params);
+    }
+
+    public function __call($function_name, $parameters)
+    {
+        return call_user_func_array(array($this->statement, $function_name), $parameters);
+    }
+}