目录基础设置自增字段递归获取单位树列表获取一个单位及其子单位下编程客栈所有用户列表总结最近把用户管理服务切换成PostgreSQL数据库，和MyBATis整合时遇到了几个坑，记录一下。
I\'m trying to write a set of filtering functions that can be chained together to progressively filter a data set. What\'s tricky about this is that I want to be able to define the filters in a differ
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