1.底下这种in查询，Hibernate中分页查询，分页出现某些数据重复出现
and ap.dep_id in (select id from t_department connect by prior id = parent_id start with id in ('8b8cf024607293f5016072d983d10007') )
//select id from t_department connect by prior id = parent_id start with id in ('8b8cf024607293f5016072d983d10007') 查询当前部门，及其子部门所有的id
2.上面错误改成exists查询就好了
and exists( select id from t_department where ap.dep_id=id connect by priorid = parent_id start with id in ('8b8cf024607293f5016072d983d10007' ) )
还有对于oracle查询来说，in查询中的数据最多为1000,超过1000也会报错，所以在知道数据不会超过1000的情况下，用in查询，如果已经预知到数据要超过1000,最好改为exists查询
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