<?php
declare (strict_types=1);
namespace MailPoetVendor\Doctrine\ORM\Query\AST\Functions;
if (!defined('ABSPATH')) exit;
use MailPoetVendor\Doctrine\ORM\Query\QueryException;
use MailPoetVendor\Doctrine\ORM\Query\SqlWalker;
use function strtolower;
class DateSubFunction extends DateAddFunction
{
 public function getSql(SqlWalker $sqlWalker)
 {
 switch (strtolower($this->unit->value)) {
 case 'second':
 return $sqlWalker->getConnection()->getDatabasePlatform()->getDateSubSecondsExpression($this->firstDateExpression->dispatch($sqlWalker), $this->intervalExpression->dispatch($sqlWalker));
 case 'minute':
 return $sqlWalker->getConnection()->getDatabasePlatform()->getDateSubMinutesExpression($this->firstDateExpression->dispatch($sqlWalker), $this->intervalExpression->dispatch($sqlWalker));
 case 'hour':
 return $sqlWalker->getConnection()->getDatabasePlatform()->getDateSubHourExpression($this->firstDateExpression->dispatch($sqlWalker), $this->intervalExpression->dispatch($sqlWalker));
 case 'day':
 return $sqlWalker->getConnection()->getDatabasePlatform()->getDateSubDaysExpression($this->firstDateExpression->dispatch($sqlWalker), $this->intervalExpression->dispatch($sqlWalker));
 case 'week':
 return $sqlWalker->getConnection()->getDatabasePlatform()->getDateSubWeeksExpression($this->firstDateExpression->dispatch($sqlWalker), $this->intervalExpression->dispatch($sqlWalker));
 case 'month':
 return $sqlWalker->getConnection()->getDatabasePlatform()->getDateSubMonthExpression($this->firstDateExpression->dispatch($sqlWalker), $this->intervalExpression->dispatch($sqlWalker));
 case 'year':
 return $sqlWalker->getConnection()->getDatabasePlatform()->getDateSubYearsExpression($this->firstDateExpression->dispatch($sqlWalker), $this->intervalExpression->dispatch($sqlWalker));
 default:
 throw QueryException::semanticalError('DATE_SUB() only supports units of type second, minute, hour, day, week, month and year.');
 }
 }
}
