爲什麼這個nhibernate條件查詢會在下面生成sql查詢?當使用JoinType.LeftOuterJoin和Projections時,Nhibernate條件查詢按表達式插入額外的順序
return Session.CreateCriteria(typeof(FundingCategory), "fc")
.CreateCriteria("FundingPrograms", "fp")
.CreateCriteria("Projects", "p", JoinType.LeftOuterJoin)
.Add(Restrictions.Disjunction()
.Add(Restrictions.Eq("fp.Recipient.Id", recipientId))
.Add(Restrictions.Eq("p.Recipient.Id", recipientId))
)
.SetProjection(Projections.ProjectionList()
.Add(Projections.GroupProperty("fc.Name"), "fcn")
.Add(Projections.Sum("fp.ObligatedAmount"), "fpo")
.Add(Projections.Sum("p.ObligatedAmount"), "po")
)
.AddOrder(Order.Desc("fpo"))
.AddOrder(Order.Desc("po"))
.AddOrder(Order.Asc("fcn"))
.List<object[]>();
SELECT this_.Name as y0_,
sum(fp1_.ObligatedAmount) as y1_,
sum(p2_.ObligatedAmount) as y2_
FROM fundingCategories this_
inner join fundingPrograms fp1_
on this_.fundingCategoryId = fp1_.fundingCategoryId
left outer join projects p2_
on fp1_.fundingProgramId = p2_.fundingProgramId
WHERE (fp1_.recipientId = 6 /* @p0 */
or p2_.recipientId = 6 /* @p1 */)
GROUP BY this_.Name
ORDER BY p2_.name asc,
y1_ desc,
y2_ desc,
y0_ asc
這是不正確的把p2_name遞增到ORDER BY語句,並導致其崩潰。這隻發生在我的項目標準上使用JoinType.LeftOuterJoin。這是一個已知的nhibernate錯誤嗎?我使用的是nhibernate 2.0.1.4000。感謝您的任何見解。
嗨清除它,你找到了一個解決方案?我有點面臨同樣的問題... – 2012-06-12 08:45:14