Spider: IF(COUNT( trigger SQL Error (1054)_ Unknown column '' in field list

USE spider;

DROP TABLE if EXISTS `t1`;

DROP TABLE if EXISTS `t1remote`;

CREATE TABLE `t1` (

	id INT)

	;

CREATE TABLE `t1remote` (

	id INT)

 ENGINE=SPIDER DEFAULT CHARSET=utf8 COMMENT='host "127.0.0.1",  database "spider" ,table "t1" ,user "spider", password "xxxxxxx", port "3307"';

SELECT IF(COUNT(a.`id` )>=0,'Y','N') FROM t1remote a;