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嗨,我是一个noob程序员。我不能让休眠sql查询
我正在学习Hibernate。而我对
SELECT COUNT(*) FROM zipcode a
WHERE (ISNULL(:sido , '') = '' OR a.sido = :sido) AND
(ISNULL(:sigungu , '') = '' OR a.sigungu = :sigungu) AND
(ISNULL(:eupmyun , '') = '' OR a.eupmyun = :eupmyun) AND
(ISNULL(:roadName , '') = '' OR a.road_name = :roadName) AND
(ISNULL(:ri , '') = '' OR a.ri = :ri)
沮丧,我不能让这个sql查询冬眠....
Number num = (Number) session()
.createQuery(
"SELECT COUNT(*) FROM ZipCode a WHERE (ISNULL(:sido , '') = '' OR a.sido = :sido) AND (ISNULL(:sigungu , '') = '' OR a.sigungu = :sigungu) AND (ISNULL(:eupmyun , '') = '' OR a.eupmyun = :eupmyun) AND(ISNULL(:roadName , '') = '' OR a.roadName = :roadName) AND(ISNULL(:ri , '') = '' OR a.ri = :ri) ")
.setParameter("sido", sido).setParameter("sigungu", sigungu).setParameter("eupmyun", eupmyun).setParameter("roadName", roadName).setParameter("ri", ri)
.list();
我试试这个SQL ... 我使用PostgreSQL 9.4和5.0冬眠。 *
请帮我
PostgreSQL有一个错误,他们不认为这是一个错误,NULL有100多种数据类型之一,但不能在大多数数据类型之间进行转换。尽可能避免使用'setParameter(something,null)',除非您计划切换数据库。 – coladict