/**
  * Prepares the Criteria object and uses the parent doSelect() method to execute a PDOStatement.
  *
  * Use this method directly if you want to work with an executed statement durirectly (for example
  * to perform your own object hydration).
  *
  * @param      Criteria $criteria The Criteria object used to build the SELECT statement.
  * @param      PropelPDO $con The connection to use
  * @throws     PropelException Any exceptions caught during processing will be
  *		 rethrown wrapped into a PropelException.
  * @return     PDOStatement The executed PDOStatement object.
  * @see        BasePeer::doSelect()
  */
 public static function doSelectStmt(Criteria $criteria, PropelPDO $con = null)
 {
     $con = PuserRolePeer::alternativeCon($con);
     $criteria = PuserRolePeer::prepareCriteriaForSelect($criteria);
     // BasePeer returns a PDOStatement
     return BasePeer::doSelect($criteria, $con);
 }