DbQuery: Add select() method to access self::$select publicly

library/Icinga/Data/Db/DbQuery.php

@@ -125,6 +125,16 @@ class DbQuery extends SimpleQuery
         return clone $this->select;
     }
 
+    /**
+     * Return the underlying select
+     *
+     * @return  Zend_Db_Select
+     */
+    public function select()
+    {
+        return $this->select;
+    }
+
     /**
      * Get the select query
      *