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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\Lexer;
use Doctrine\ORM\Query\Parser;
use Doctrine\ORM\Query\SqlWalker;
/**
* "CONCAT" "(" StringPrimary "," StringPrimary {"," StringPrimary }* ")"
*
* @link www.doctrine-project.org
*/
class ConcatFunction extends FunctionNode
{
/** @var Node */
public $firstStringPrimary;
/** @var Node */
public $secondStringPrimary;
/** @psalm-var list<Node> */
public $concatExpressions = [];
/** @inheritdoc */
public function getSql(SqlWalker $sqlWalker)
{
$platform = $sqlWalker->getConnection()->getDatabasePlatform();
$args = [];
foreach ($this->concatExpressions as $expression) {
$args[] = $sqlWalker->walkStringPrimary($expression);
}
return $platform->getConcatExpression(...$args);
}
/** @inheritdoc */
public function parse(Parser $parser)
{
$parser->match(Lexer::T_IDENTIFIER);
$parser->match(Lexer::T_OPEN_PARENTHESIS);
$this->firstStringPrimary = $parser->StringPrimary();
$this->concatExpressions[] = $this->firstStringPrimary;
$parser->match(Lexer::T_COMMA);
$this->secondStringPrimary = $parser->StringPrimary();
$this->concatExpressions[] = $this->secondStringPrimary;
while ($parser->getLexer()->isNextToken(Lexer::T_COMMA)) {
$parser->match(Lexer::T_COMMA);
$this->concatExpressions[] = $parser->StringPrimary();
}
$parser->match(Lexer::T_CLOSE_PARENTHESIS);
}
}
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