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<?php
declare(strict_types=1);
namespace Doctrine\ORM\Query\AST\Functions;
use Doctrine\ORM\Query\AST\ASTException;
use Doctrine\ORM\Query\QueryException;
use Doctrine\ORM\Query\SqlWalker;
use function strtolower;
/**
* "DATE_SUB(date1, interval, unit)"
*
* @link www.doctrine-project.org
*/
class DateSubFunction extends DateAddFunction
{
public function getSql(SqlWalker $sqlWalker): string
{
return match (strtolower((string) $this->unit->value)) {
'second' => $sqlWalker->getConnection()->getDatabasePlatform()->getDateSubSecondsExpression(
$this->firstDateExpression->dispatch($sqlWalker),
$this->dispatchIntervalExpression($sqlWalker),
),
'minute' => $sqlWalker->getConnection()->getDatabasePlatform()->getDateSubMinutesExpression(
$this->firstDateExpression->dispatch($sqlWalker),
$this->dispatchIntervalExpression($sqlWalker),
),
'hour' => $sqlWalker->getConnection()->getDatabasePlatform()->getDateSubHourExpression(
$this->firstDateExpression->dispatch($sqlWalker),
$this->dispatchIntervalExpression($sqlWalker),
),
'day' => $sqlWalker->getConnection()->getDatabasePlatform()->getDateSubDaysExpression(
$this->firstDateExpression->dispatch($sqlWalker),
$this->dispatchIntervalExpression($sqlWalker),
),
'week' => $sqlWalker->getConnection()->getDatabasePlatform()->getDateSubWeeksExpression(
$this->firstDateExpression->dispatch($sqlWalker),
$this->dispatchIntervalExpression($sqlWalker),
),
'month' => $sqlWalker->getConnection()->getDatabasePlatform()->getDateSubMonthExpression(
$this->firstDateExpression->dispatch($sqlWalker),
$this->dispatchIntervalExpression($sqlWalker),
),
'year' => $sqlWalker->getConnection()->getDatabasePlatform()->getDateSubYearsExpression(
$this->firstDateExpression->dispatch($sqlWalker),
$this->dispatchIntervalExpression($sqlWalker),
),
default => throw QueryException::semanticalError(
'DATE_SUB() only supports units of type second, minute, hour, day, week, month and year.',
),
};
}
/** @throws ASTException */
private function dispatchIntervalExpression(SqlWalker $sqlWalker): string
{
return $this->intervalExpression->dispatch($sqlWalker);
}
}
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