这是mysql存储过程的代码:
BEGIN
DECLARE sms INT(100);
SET sms=(SELECT COUNT(1) FROM tbl_intofone_alert_transaction WHERE smsid='sms_id');
IF(sms<=>0) THEN
INSERT INTO tbl_intofone_alert_transaction(MSISDN,Message,Tag,SenderID,InTime,deliverystatus,
memberid,smsid,updatetime,submit_type,wu_id,DeviceID)
VALUES(mob,msg,tag,sender,NOW(),'0',memid,sms_id,NOW(),'NULL','NULL',DevId);
END IF;
END$$
上面代码中的IF CONDITION对所有情况进行插入。我在这里做错了什么?