45 lines
1.0 KiB
PHP
45 lines
1.0 KiB
PHP
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<?php
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/*
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* To change this template, choose Tools | Templates
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* and open the template in the editor.
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*/
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namespace Doctrine\ORM\Query\AST\Functions;
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/**
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* "SQRT" "(" SimpleArithmeticExpression ")"
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*
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* @author robo
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*/
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class SqrtFunction extends FunctionNode
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{
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private $_simpleArithmeticExpression;
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public function getSimpleArithmeticExpression()
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{
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return $this->_simpleArithmeticExpression;
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}
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/**
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* @override
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*/
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public function getSql(\Doctrine\ORM\Query\SqlWalker $sqlWalker)
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{
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//TODO: Use platform to get SQL
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return 'SQRT(' . $sqlWalker->walkSimpleArithmeticExpression($this->_simpleArithmeticExpression) . ')';
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}
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/**
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* @override
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*/
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public function parse(\Doctrine\ORM\Query\Parser $parser)
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{
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$lexer = $parser->getLexer();
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$parser->match($lexer->lookahead['value']);
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$parser->match('(');
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$this->_simpleArithmeticExpression = $parser->_SimpleArithmeticExpression();
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$parser->match(')');
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}
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}
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