迁移的表名有MySQL关键字，导致报错。

迁移的表中有个叫keys的
从pg迁移到mysql，报如下错误：
select * from keys where 1=2 具体错误信息为：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 'keys where 1=2' at line 1

The report concerns migration SQL for a table named `keys` when moving from PostgreSQL to MySQL. Start by reproducing the shown `select * from keys where 1=2` failure and trace the migration path that emits it; done means the migrated table can be queried successfully on MySQL.

Written by the indexing model from the issue text.