Mysql的避坑---- The error may involve defaultParameterMap #The error occurred while setting parameters
Mysql的避坑---- Mysql 数据库连接添加 allowMultiQueries=true属性
最近做项目时，发现操作数据库时 sql报错，如下：
### Error updating database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: 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 'delete from sys_user_role where user_id in
(
6
)' at line 6
### The error may involve defaultParameterMap
### The error occurred while setting parameters
### SQL: delete from sys_user where user_id in ( ? ) ; delete from sys_user_role where user_id in ( ? )
### Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: 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 'delete from sys_user_role where user_id in
(
6
)' at line 6
; bad SQL grammar []; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: 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 'delete from sys_user_role where user_id in
(
6
)' at line 6
mybatis的mapper的xml中 使用一个业务 操作两条sql的情况，出现以上的错误，将sql 语句拿到 navicat 执行，都可以执行，纳闷了很久。
主要原因：需要在创建数据库链接时，将允许 多条sql执行设置为 true,即可，如下图：
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