[英]How to count subqueries in HQL?
I need to count this subquery with HQL ( using Hibernate in JPA ) 我需要用HQL计算这个子查询(在JPA中使用Hibernate)
SELECT DISTINCT s.customerName, s.customerCode, MAX(s.orderDate) as last_order_date
FROM XoopsSalesOrder s
GROUP BY s.customerCode
HAVING MAX(s.orderDate)
BETWEEN '2012-7-1' AND '2012-10-1' AND MAX(s.orderDate) NOT BETWEEN '2012-10-1' AND CURRENT_DATE "
I didn't use Hibernate lib , so I have to find away to count with HQL only. 我没有使用Hibernate lib,所以我不得不找出仅可以使用HQL的数量。 Could anyone help me?
有人可以帮我吗? Many thanks in advance !
提前谢谢了 !
maybe should ask for more details before answering your question but it seems i don't have enough points here (or reputation) to do that like others. 也许应该在回答您的问题之前先询问更多详细信息,但似乎我在这里(或声誉)没有足够的分数来像其他人那样做。 Any way, the below is my idea.
无论如何,以下是我的想法。
Assume there is XoopsSalesOrder.Id as primary key and XoopsSalesOrder.customerCode is unique. 假设有XoopsSalesOrder.Id作为主键,而XoopsSalesOrder.customerCode是唯一的。
select s.customerName, s.customerCode, s.orderDate as last_order_date
from XoopsSalesOrder s
where s.Id in (
select s2.Id from XoopsSalesOrder s2
where
s2.orderDate = max(s2.orderDate)
and s2.orderDate between '2012-7-1' AND '2012-10-1'
and s2.orderDate not between '2012-10-1' AND current_date
group by s2.customerCode
)
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