异常：
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
mybatis mysql 批量修改
<foreach collection="list" item="item" index="index" open="" close="" separator=";">
</foreach>
开发，测试环境都没问题，生产环境不行。
原来是mycat的版本不一致
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