Merge pull request #1832 from gintarasba/patch-1

Updated ORM.php optimization

Author: l3pp4rd

lib/Gedmo/Loggable/Mapping/Event/Adapter/ORM.php

@@ -38,7 +38,7 @@ public function getNewVersion($meta, $object)
         $em = $this->getObjectManager();
         $objectMeta = $em->getClassMetadata(get_class($object));
         $identifierField = $this->getSingleIdentifierFieldName($objectMeta);
-        $objectId = $objectMeta->getReflectionProperty($identifierField)->getValue($object);
+        $objectId = (string) $objectMeta->getReflectionProperty($identifierField)->getValue($object);
 
         $dql = "SELECT MAX(log.version) FROM {$meta->name} log";
         $dql .= " WHERE log.objectId = :objectId";