public static function doCount(Criteria $criteria, $distinct = false, PropelPDO $con = null)
    {
        // we may modify criteria, so copy it first
        $criteria = clone $criteria;

        // We need to set the primary table name, since in the case that there are no WHERE columns
        // it will be impossible for the BasePeer::createSelectSql() method to determine which
        // tables go into the FROM clause.
        $criteria->setPrimaryTableName(UserPeer::TABLE_NAME);

        if ($distinct && !in_array(Criteria::DISTINCT, $criteria->getSelectModifiers())) {
            $criteria->setDistinct();
        }

        if (!$criteria->hasSelectClause()) {
            UserPeer::addSelectColumns($criteria);
        }

        $criteria->clearOrderByColumns(); // ORDER BY won't ever affect the count
        $criteria->setDbName(UserPeer::DATABASE_NAME); // Set the correct dbName

        if ($con === null) {
            $con = Propel::getConnection(UserPeer::DATABASE_NAME, Propel::CONNECTION_READ);
        }
        // BasePeer returns a PDOStatement
        $stmt = BasePeer::doCount($criteria, $con);

        if ($row = $stmt->fetch(PDO::FETCH_NUM)) {
            $count = (int) $row[0];
        } else {
            $count = 0; // no rows returned; we infer that means 0 matches.
        }
        $stmt->closeCursor();

        return $count;
    }