mysql删除语句不让起别名

DELETE FROM or_cyreplenish_assign_item_bak_et t WHERE date_format(t.CREATE_TIME, '%Y%m%d%H') = '2020070201' AND t.CREATE_USER = 'SYSTEM';
 

会报错

DELETE FROM or_cyreplenish_assign_item_bak_et t WHERE date_format(t.CREATE_TIME, '%Y%m%d%H') = '2020070201' AND t.CREATE_USER = 'SYSTEM';
[Err] 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 't WHERE date_format(t.CREATE_TIME, '%Y%m%d%H') = '2020070201' AND t.CREATE_USER ' at line 2
 

 

把别名去掉，就好了：

DELETE FROM or_cyreplenish_assign_item_bak_et WHERE date_format(t.CREATE_TIME, '%Y%m%d%H') = '2020070201' AND CREATE_USER = 'SYSTEM';