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<?php
declare(strict_types=1);
namespace Doctrine\ORM\Query\AST\Functions;
use Doctrine\ORM\Query\AST\Node;
use Doctrine\ORM\Query\AST\SimpleArithmeticExpression;
use Doctrine\ORM\Query\Lexer;
use Doctrine\ORM\Query\Parser;
use Doctrine\ORM\Query\SqlWalker;
/**
* "LOCATE" "(" StringPrimary "," StringPrimary ["," SimpleArithmeticExpression]")"
*
* @link www.doctrine-project.org
*/
class LocateFunction extends FunctionNode
{
/** @var Node */
public $firstStringPrimary;
/** @var Node */
public $secondStringPrimary;
/** @var SimpleArithmeticExpression|bool */
public $simpleArithmeticExpression = false;
/** @inheritdoc */
public function getSql(SqlWalker $sqlWalker)
{
$platform = $sqlWalker->getConnection()->getDatabasePlatform();
$firstString = $sqlWalker->walkStringPrimary($this->firstStringPrimary);
$secondString = $sqlWalker->walkStringPrimary($this->secondStringPrimary);
if ($this->simpleArithmeticExpression) {
return $platform->getLocateExpression(
$secondString,
$firstString,
$sqlWalker->walkSimpleArithmeticExpression($this->simpleArithmeticExpression)
);
}
return $platform->getLocateExpression($secondString, $firstString);
}
/** @inheritdoc */
public function parse(Parser $parser)
{
$parser->match(Lexer::T_IDENTIFIER);
$parser->match(Lexer::T_OPEN_PARENTHESIS);
$this->firstStringPrimary = $parser->StringPrimary();
$parser->match(Lexer::T_COMMA);
$this->secondStringPrimary = $parser->StringPrimary();
$lexer = $parser->getLexer();
if ($lexer->isNextToken(Lexer::T_COMMA)) {
$parser->match(Lexer::T_COMMA);
$this->simpleArithmeticExpression = $parser->SimpleArithmeticExpression();
}
$parser->match(Lexer::T_CLOSE_PARENTHESIS);
}
}
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