使用条件nvl将SQL转换为HQL

Question

(nvl(SELECT sum(wbs.days * 8 + wbs.hours)
FROM com.vtradex.er.server.model.er.ProjectWbs wbs 
WHERE wbs.project.id=erp.id
AND wbs.user.id= 248 ),0)

Answer 1

创建将执行此查询并通过@Formula注释将其映射到某个属性的存储过程会更容易。