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GroupKeyword.php
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38 lines (29 loc) · 735 Bytes
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<?php
declare(strict_types=1);
namespace PhpMyAdmin\SqlParser\Components;
use PhpMyAdmin\SqlParser\Component;
use function trim;
/**
* `GROUP BY` keyword parser.
*/
final class GroupKeyword implements Component
{
public OrderSortKeyword|null $type = null;
/**
* The expression that is used for grouping.
*/
public Expression|null $expr = null;
/** @param Expression|null $expr the expression that we are sorting by */
public function __construct(Expression|null $expr = null)
{
$this->expr = $expr;
}
public function build(): string
{
return trim((string) $this->expr);
}
public function __toString(): string
{
return $this->build();
}
}