MAGETWO-40131: Mass action order

app/code/Magento/Sales/Model/Resource/AbstractGrid.php

@@ -57,6 +57,15 @@ abstract class AbstractGrid extends AbstractDb implements GridInterface
         return $this->connection;
     }
 
+    /**
+     * Returns grid table name
+     *
+     * @return string
+     */
+    public function getGridTable()
+    {
+        return $this->getTable($this->gridTableName);
+    }
     /**
      * Purge grid row
      *