private function canRunDbQuery(): bool
    {
        try {
            return $this->connection->isConnected() && $this->connection->getSchemaManager()->tablesExist(['tl_cron']);
        } catch (DriverException $e) {
            return false;
        }
    }
private function canRunDbQuery(): bool
    {
        try {
            return $this->connection->isConnected() && $this->connection->getSchemaManager()->tablesExist(['tl_cron']);
        } catch (DriverException $e) {
            return false;
        }
    }
private function canRunDbQuery ( ) : bool { try { return $ this -> connection -> isConnected ( ) && $ this -> connection -> getSchemaManager ( ) -> tablesExist ( [ 'tl_cron' ] ) ; } catch ( DriverException $ e ) { return false ; } }
Checks if a database connection can be established and the table exist.
Checks if a database connection can be established and the table exist .