下面的 UPDATE 语句产生错误是否有原因
UPDATE `t1`
INNER JOIN `t2` ON `t2`.`id`=`t1`.`t2_id`
INNER JOIN `t3` ON `t2`.`t3_id` = `t3`.`id` AND `t3`.`a_id` = '123'
WHERE `t2`.`date` > '2012-08-14'
AND `t2`.`status` = 'pending'
SET `t1`.`active` = '0';
我得到的错误是:
#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'WHERE `t2`.`date` > '2012-08-14' AND `t2`.`statu' at line 4
以下(相关的)SELECT 语句可以正常工作
SELECT `t1`.*
FROM `t1`
INNER JOIN `t2` ON `t2`.`id`=`t1`.`t2_id`
INNER JOIN `carer` ON `t2`.`t3_id` = `t3`.`id` AND `t3`.`a_id` = '123'
WHERE `t2`.`date` > '2012-08-14'
AND `t2`.`status` = 'pending'
最佳答案
MySQL UPDATE
syntax是:
UPDATE [LOW_PRIORITY] [IGNORE] table_references
SET col_name1={expr1|DEFAULT} [, col_name2={expr2|DEFAULT}] ...
[WHERE where_condition]
使用这个:
UPDATE `t1`
INNER JOIN `t2` ON `t2`.`id`=`t1`.`t2_id`
INNER JOIN `t3` ON `t2`.`t3_id` = `t3`.`id` AND `t3`.`a_id` = '123'
SET `t1`.`active` = '0'
WHERE `t2`.`date` > '2012-08-14'
AND `t2`.`status` = 'pending' ;
关于mysql - UPDATE with INNER JOIN 失败,但相关的 SELECT 语句有效,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/11968696/