我正在尝试运行这个:
..
String modelTableName = (model == TableModelType.RING) ? "RING_PLAYERS" : "TOURNY_PLAYERS";
List<Object[]> results = dbs.createSQLQuery("SELECT group_level, COUNT(group_level) FROM :modelTableName WHERE game_id=:gameId GROUP BY group_level")
.addScalar("group_level", Hibernate.INTEGER)
.addScalar("COUNT(group_level)", Hibernate.LONG)
.setString("modelTableName", getModelTableName())
.setInteger("gameId", getGameId())
.list();
它给出了一个异常(exception):
Caused by: java.sql.SQLException: ORA-00903: invalid table name
如果我写“RING_PLAYERS”而不是“:tableModelName”,那么它就可以了!
我这个参数做错了什么?
谢谢。
最佳答案
根据这个答案,不能注入(inject)表名:Table name as parameter in HQL
您可能必须将其构造为:
List<Object[]> results = dbs.createSQLQuery("SELECT group_level, COUNT(group_level) FROM " + getModelTableName() + " WHERE game_id=:gameId GROUP BY group_level")
.addScalar("group_level", Hibernate.INTEGER)
.addScalar("COUNT(group_level)", Hibernate.LONG)
.setInteger("gameId", getGameId())
.list();
关于java - Hibernate 中带参数的 createSQLQuery,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/27322199/