Merge pull request #350 from toaotc/master

getBySortableGroupsQueryBuilder() implemented - useful in joined queries

lib/Gedmo/Sortable/Entity/Repository/SortableRepository.php

@@ -44,6 +44,11 @@ class SortableRepository extends EntityRepository
     }
     
     public function getBySortableGroupsQuery(array $groupValues=array())
+    {
+        return $this->getBySortableGroupsQueryBuilder($groupValues)->getQuery();
+    }
+    
+    public function getBySortableGroupsQueryBuilder(array $groupValues=array())
     {
         $groups = array_combine(array_values($this->config['groups']), array_keys($this->config['groups']));
         foreach ($groupValues as $name => $value) {
@@ -65,7 +70,7 @@ class SortableRepository extends EntityRepository
                ->setParameter('group'.$i, $value);
             $i++;
         }
-        return $qb->getQuery();
+        return $qb;
     }
     
     public function getBySortableGroups(array $groupValues=array())