Fix calendar query for instances without tl_calendar.published

src/Controller/Frontend/EventFilterController.php

@@ -11,6 +11,7 @@ use Contao\ModuleModel;
 use Contao\StringUtil;
 use Doctrine\DBAL\ArrayParameterType;
 use Doctrine\DBAL\Connection;
+use Doctrine\DBAL\ParameterType;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 
@@ -48,29 +49,25 @@ class EventFilterController extends AbstractFrontendModuleController
                 <<<'SQL'
                     SELECT e.id
                     FROM tl_calendar_events e
-                    INNER JOIN tl_calendar c ON c.id=e.pid
                     WHERE e.published='1'
-                      AND c.published='1'
                       AND (e.startTime>=? OR e.endTime>=?)
                     ORDER BY e.startTime ASC
                 SQL,
                 [$today, $today],
-                [\PDO::PARAM_INT, \PDO::PARAM_INT],
+                [ParameterType::INTEGER, ParameterType::INTEGER],
             )->fetchFirstColumn();
         } else {
             $rows = $this->connection->executeQuery(
                 <<<'SQL'
                     SELECT e.id
                     FROM tl_calendar_events e
-                    INNER JOIN tl_calendar c ON c.id=e.pid
                     WHERE e.pid IN (?)
                       AND e.published='1'
-                      AND c.published='1'
                       AND (e.startTime>=? OR e.endTime>=?)
                     ORDER BY e.startTime ASC
                 SQL,
                 [$calendarIds, $today, $today],
-                [ArrayParameterType::INTEGER, \PDO::PARAM_INT, \PDO::PARAM_INT],
+                [ArrayParameterType::INTEGER, ParameterType::INTEGER, ParameterType::INTEGER],
             )->fetchFirstColumn();
         }