我是第一次创建游标.(参考this site) 到目前为止我做了这个(
CREATE PROCEDURE `abc`.`cursordemo` (IN start_date DATETIME,IN end_date DATETIME)
BEGIN
DECLARE done INT DEFAULT FALSE;
DECLARE k1,k2,g,s,last_status VARCHAR(45);
DECLARE b, c INT;
DECLARE cur1 CURSOR FOR SELECT `key` FROM `abc`.`temp_weekly`;
DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE;
OPEN cur1;
read_loop: LOOP
FETCH cur1 INTO k1;
IF done THEN
LEAVE read_loop;
END IF;
block_cursor:BEGIN
DECLARE cur2 CURSOR FOR SELECT `key`,`group`,`status` FROM `abc`.`jira_local` WHERE `key` = k1 AND updateddate < end_date;
DECLARE CONTINUE HANDLER FOR NOT FOUND SET done1 = TRUE;
OPEN cur2;
REPEAT
FETCH cur2 INTO k2,g,s;
IF NOT done1 THEN
IF s != last_status THEN
CASE
WHEN s = 'verified' THEN
SET c = c 1;
WHEN s = 'closed' THEN
SET c = c 1;
WHEN s = 'to be scheduled' THEN
SET c = c 1;
WHEN s = 'deferred' THEN
SET c = c 1;
/*'resolved','closed','to be scheduled','deferred','validated','assigned','l3 need more info','l2 need more info','need more info'*/
WHEN s = 'resolved' THEN
SET c = c 1;
WHEN s = 'validated' THEN
SET c = c 1;
WHEN s = 'assigned' THEN
SET c = c 1;
WHEN s = 'l3 need more info' THEN
SET c = c 1;
WHEN s = 'l2 need more info' THEN
SET c = c 1;
WHEN s = 'need more info' THEN
SET c = c 1;
END CASE;
SET last_status = s;
END IF;
END IF;
UNTIL NOT done1 END REPEAT;
INSERT INTO ticketsResolvedCount values(k2,g,s,c);
END block_cursor;
END LOOP;
CLOSE cur1;
CLOSE cur2;
END$$
我在做什么 1)从temp_weekly读取所有键并迭代 2)从jira_local表中查找特定键的所有记录,并计算其验证,解析等的次数.
问题: 当我编译它时会出错
ERROR 1193: Unknown system variable 'done1'
另外,我提到this链接在循环内创建存储过程
更新: 声明完成/完成后,我的程序看起来像这样
BEGIN
DECLARE k1,k2,g,s,last_status VARCHAR(45);
DECLARE b, c INT;
DECLARE cur1 CURSOR FOR SELECT `key` FROM `abc`.`temp_weekly`;
DECLARE done1 BOOLEAN DEFAULT FALSE;
DECLARE done BOOLEAN DEFAULT FALSE;
DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE;
.
.
.
block_cursor:BEGIN
DECLARE cur2 CURSOR FOR SELECT `key`,`group`,`status` FROM `abc`.`jira_local` WHERE `key` = k1 AND updateddate < end_date;
DECLARE CONTINUE HANDLER FOR NOT FOUND SET done1 = TRUE;
.
.
.
这给了我
ERROR 1337: Variable or condition declaration after cursor or handler declaration
解决方法: 你需要像完成一样声明done1:
从
DECLARE done INT DEFAULT FALSE;
至
DECLARE done, done1 INT DEFAULT FALSE;
^^^^^^^
来源:https://www./content-2-365801.html
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