doctrine2/draft/Doctrine/Query/Production/RangeVariableDeclaration.php

<?php
/**
 * RangeVariableDeclaration = AbstractSchemaName ["AS"] IdentificationVariable
 */
class Doctrine_Query_Production_RangeVariableDeclaration extends Doctrine_Query_Production
{
    public function execute(array $params = array())
    {
        $abstractSchemaName = $this->AbstractSchemaName();

        if ($this->_isNextToken(Doctrine_Query_Token::T_AS)) {
            $this->_parser->match(Doctrine_Query_Token::T_AS);
        }

        $identifier = $this->IdentificationVariable();
        
        return array('abstractSchemaName' => $abstractSchemaName,
                     'identifier'         => $identifier);
    }
}