CREATE TABLE IF NOT EXISTS `#__layout_fields` (
 `yid` int(10) unsigned NOT NULL,
 `fdid` int(10) unsigned NOT NULL,
 `parent` int(10) unsigned NOT NULL DEFAULT '0',
 PRIMARY KEY (`yid`,`fdid`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 DEFAULT COLLATE=utf8mb4_unicode_ci;