'localhost', 'db_name' => '', 'db_username' => '', 'db_password' => '', 'db_connection_charset' => 'utf8', 'filename' => '', 'ajax' => true, 'linespersession' => 3000, 'delaypersession' => 0, 'csv_insert_table' => '', 'csv_preempty_table' => false, 'csv_delimiter' => ',', 'csv_add_quotes' => true, 'csv_add_slashes' => true, 'comment' => ['#', '-- ', 'DELIMITER'], 'pre_query' => [], 'delimiter' => ';', 'string_quotes' => '\'', 'max_query_lines' => 300, ];