Hibernate执行createSQLQuery查询与在数据库中查询的结果不一致的问题

今天发现一个奇怪的问题，先看如下SQL语句： SELECT a.num, b.num, a.depart FROM ( ( SELECT count(depart_Id) AS num, depart_Id AS depart FROM tiku_class GROUP BY depart_id ) a JOIN (

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