数据库中对应的extentValue的是Float型,用下面的Hql语句查询,返回的list中extentValue也是Float型,有没有什么办法让返回的list中的extentValue是Double型Hql = "select checkTime,extentValue from HisSenData hs where hs.checkTime>=:bdate and hs.checkTime<=:edate and hs.site.siteId=:sid order by checkTime asc";}
Hql = "select checkTime,extentValue(cast(12.1 AS double))from RealSenData hs where hs.checkTime>=:bdate and hs.checkTime<=:edate and hs.site.siteId=:sid order by checkTime asc";}