diff --git a/lib/pivotstate/pivotstate.class.php b/lib/pivotstate/pivotstate.class.php
index f5de7ffffd..7bb14c0b26 100644
--- a/lib/pivotstate/pivotstate.class.php
+++ b/lib/pivotstate/pivotstate.class.php
@@ -293,6 +293,20 @@ class pivotState
         $this->filters[] = array('field' => $firstField['name'], 'saveAs' => '', 'type' => 'input', 'name' => $firstField[$lang], 'defualt' => '');
     }
 
+    /**
+     * Judge is query filter or not.
+     *
+     * @access public
+     * @return bool
+     */
+    public function isQueryFilter()
+    {
+        if(empty($this->filters)) return false;
+        $filter = current($this->filters);
+
+        return isset($filter['from']) && $filter['from'] == 'query';
+    }
+
     /**
      * Complete filters default.
      *