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我的问题是关于如何在hql查询后解决“返回重复记录”问题。这里是一个例子:HQL查询返回重复记录
SELECT t0 FROM table0 t0, table1 t1, table2 t2 WHERE
(((t0.a = 1 AND t0.b = 2 AND t0.c = 3) AND (t1.a = 4 AND t1.b = 5 AND t1.c = 6))
OR
((t0.a = 7 AND t0.b = 8 AND t0.c = 9) AND (t1.a = 10 AND t1.b = 11 AND t1.c = 12) AND (t2.a = 13 AND t2.b = 14 AND t2.c = 15))
这个查询返回我正确的记录,但是有些记录返回多次。我想我知道原因。在“OR”之前(“WHERE”和“OR”之间),“table2 t2”没有被使用。 我如何避免重复记录?
谢谢