<?php



namespace DoctrineExtensions\Query\Mysql;



use Doctrine\ORM\Query\AST\Functions\FunctionNode,

    Doctrine\ORM\Query\Lexer;



/**

 * @author Dawid Nowak <macdada@mmg.pl>

 */

class Hour extends FunctionNode

{

    public $date;



    public function getSql(\Doctrine\ORM\Query\SqlWalker $sqlWalker)

    {

        return 'HOUR('.$sqlWalker->walkArithmeticPrimary($this->date).')';

    }



    public function parse(\Doctrine\ORM\Query\Parser $parser)

    {

        $parser->match(Lexer::T_IDENTIFIER);

        $parser->match(Lexer::T_OPEN_PARENTHESIS);



        $this->date = $parser->ArithmeticPrimary();



        $parser->match(Lexer::T_CLOSE_PARENTHESIS);

    }

}

