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<?php
declare(strict_types=1);
namespace Doctrine\ORM\Query\AST\Functions;
use Doctrine\DBAL\Types\Type;
use Doctrine\DBAL\Types\Types;
use Doctrine\ORM\Query\AST\Node;
use Doctrine\ORM\Query\AST\TypedExpression;
use Doctrine\ORM\Query\Parser;
use Doctrine\ORM\Query\SqlWalker;
use Doctrine\ORM\Query\TokenType;
/**
* "LENGTH" "(" StringPrimary ")"
*
* @link www.doctrine-project.org
*/
class LengthFunction extends FunctionNode implements TypedExpression
{
public Node $stringPrimary;
public function getSql(SqlWalker $sqlWalker): string
{
return $sqlWalker->getConnection()->getDatabasePlatform()->getLengthExpression(
$sqlWalker->walkSimpleArithmeticExpression($this->stringPrimary),
);
}
public function parse(Parser $parser): void
{
$parser->match(TokenType::T_IDENTIFIER);
$parser->match(TokenType::T_OPEN_PARENTHESIS);
$this->stringPrimary = $parser->StringPrimary();
$parser->match(TokenType::T_CLOSE_PARENTHESIS);
}
public function getReturnType(): Type
{
return Type::getType(Types::INTEGER);
}
}
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