1
在下面,我得到「錯誤1329:沒有數據 - 零行被讀取,選擇或處理」,即使全部正確完成。我的其他職能工作,並且這個同樣的功能在幾天前運行良好。錯誤1329:沒有數據 - 零行被讀取,選擇或處理 - 即使全部完成正確
BEGIN
DECLARE Id INT(10) DEFAULT '0';
DECLARE Elm INT(10) DEFAULT '0';
DECLARE ElmParent INT(10) DEFAULT '0';
DECLARE Type TINYINT(1) DEFAULT '0';
DECLARE Processed TINYINT(1) DEFAULT '0';
DECLARE Country VARCHAR(2) DEFAULT "";
DECLARE updateDone INT DEFAULT 0;
DECLARE Increment TINYINT(1) DEFAULT '0';
-- declare cursor
DEClARE updater CURSOR FOR
SELECT id, klm, parent, type, processed, countryCode FROM votes where voteProcessed=0;
-- declare NOT FOUND handler
DECLARE CONTINUE HANDLER FOR NOT FOUND SET updateDone = 1;
OPEN updater;
doUpdate: LOOP
FETCH updater INTO Id, Elm, ElmParent, Type, Processed, Country;
IF updateDone =1 THEN
LEAVE doUpdate;
END IF;
IF Type = 0 THEN
SET Increment = 1;
ELSEIF Type = 1 THEN
SET Increment = -1;
END IF;
-- update likes
update likes set votes=votes+Increment where id=Elm and parent = ElmParent and country=Country;
update votes set voteProcessed = 1 where id=Id;
END LOOP doUpdate;
CLOSE updater;
END
我在這裏錯過了什麼嗎?我使用的MySQL版本5.5.25