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<?php
declare(strict_types=1);
namespace Doctrine\ORM\Query\AST\Functions;
use Doctrine\ORM\Query\AST\SimpleArithmeticExpression;
use Doctrine\ORM\Query\Lexer;
use Doctrine\ORM\Query\Parser;
use Doctrine\ORM\Query\SqlWalker;
use function sprintf;
/**
* "SQRT" "(" SimpleArithmeticExpression ")"
*
* @link www.doctrine-project.org
*/
class SqrtFunction extends FunctionNode
{
/** @var SimpleArithmeticExpression */
public $simpleArithmeticExpression;
/** @inheritdoc */
public function getSql(SqlWalker $sqlWalker)
{
return sprintf(
'SQRT(%s)',
$sqlWalker->walkSimpleArithmeticExpression($this->simpleArithmeticExpression)
);
}
/** @inheritdoc */
public function parse(Parser $parser)
{
$parser->match(Lexer::T_IDENTIFIER);
$parser->match(Lexer::T_OPEN_PARENTHESIS);
$this->simpleArithmeticExpression = $parser->SimpleArithmeticExpression();
$parser->match(Lexer::T_CLOSE_PARENTHESIS);
}
}
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