增量迁移或同步期间DRS任务报错,日志提示信息:service INCREMENT failed, cause by: Can't DROP '%s'; check that column/key exists; sql is%s 可能原因 目标库表执行DDL导致目标库表结构和源库不一致。 解决方案 请联系客户目标库运维工程师,修改目标库表结构和源库保持一致。
1 row in set (0.00 sec) So, our application is not aware of the new column at all. But we can still use it if needed, for example, to easily split table reads or writes into predictable chunks: MySQL 1 2 3 4 5 6 7 mysql > select my_row_id,a from nopk; +---+---+ |...
MySQL 错误：there can be only one auto column and it must be defined as a key 原因是你有一个字段A设置了auto_increment，另一个字段B又被设为主键，这是错误的，因为MySQL将自动增长的字段看作主键，因此按照这 样的逻辑，你的表里就有两个主键，所以方法是将B字段的主键索引去掉，如果你的...
Re: ERROR 1191 (HY000): Can't find FULLTEXT index matching the column list Ched Dar October 05, 2020 12:45PM Sorry, you can't reply to this topic. It has been closed. Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in advance ...
Allow special characters in column names Prototyped - coming soon: UDP Driver for inter-node connectivity over UDP 'Lite' Driver to run independantly from Derby (with limited SQL capability) Client node discovery capability to allow load balancing, e.g. from WAS New deployment capability to IBM...
To use a database with case-sensitive table and column names, the .withDbUpperCase(true) flag can be used. Default is false (lowercase). Warning Do not manually delete lock row from the DB table. ShedLock has an in-memory cache of existing lock rows so the row will NOT be automatical...
但是执行之后报错误BLOB, TEXT, GEOMETRY or JSON column 'Ftext' can't have a default value。 解决 方法一:改sql_mode 原因: 问题的出现是因为MySQL对于BLOB、TEXT、GEOMETRY和JSON字段是不允许有默认值的,在mysql5.7以后就有了严格模式sql_model规定了此限制。 查询sql_mode, show variables like '%sql_...
we can set multiple values.. if column 'a' can have '1','2','3','4' we can search a row by using where a='1' or where a&1 but i want to search rows which have more than 1 value in column 'a' like where count(a)>1 how can i do this?? now i use this qu...
mysql导入sql脚本出现there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT or ON UPDATE mysql版本升级到5.6 以上即可 本文是基于mysql5.5重新下载mysql5.7使用 1、首先下载mysql5.7: https://dev.mysql.com/downloads/mysql/5.7.html#downloads ...
mysql建表时如果要设置自动递增（auto_increment），必须是主键（PRIMARY KEY）设置，不能为NULL，且只能设置一个。1075 - Incorrect table definition; there can be only one auto column and it must be defined as a key。这个错误的意思是：#1075-表定义不正确；只能有一个自动列，必须将其定义...