質問

SELECT 
  [ProductErpIdentifier], 
  [PriceValue], 
  [ManufacturerProductIdentifier], 
  SUM([QuantityOrdered]) as  [QuantityOrdered]
FROM 
  [eCommerceDev].[dbo].[OrderItem] 
GROUP BY 
  [ProductErpIdentifier],[PriceValue],[ManufacturerProductIdentifier]
ORDER BY  
  [QuantityOrdered] desc

How should I write a CreateCriteria to generate SQL like the example above?

正しい解決策はありません

他のヒント

This should do the trick. Due to the fact you did not post your mapping of the orderitem ntity I used the fieldnames as property names. You will need to change OrderItemEntity to your own mapped class, and you need to change the names preceded by oi. by the names of the properties in your class (be aware: these strings are case sensitive!)

var yourResult = Session.CreateCriteria<OrderItemEntity>("oi")
                   .SetProjection(Projections.ProjectionList()
                      .Add(Projections.Alias(Projections.GroupProperty("oi.ProductErpIdentifier"), "ProductErpIdentifier"))
                      .Add(Projections.Alias(Projections.GroupProperty("oi.PriceValue"), "PriceValue"))
                      .Add(Projections.Alias(Projections.GroupProperty("oi.ManufacturerProductIdentifier"), "ManufacturerProductIdentifier"))
                      .Add(Projections.Alias(Projections.Sum("oi.QuantityOrdered"), "QuantityOrdered")))
                   .AddOrder(Order.Desc("QuantityOrdered"))
                   .List();
ライセンス: CC-BY-SA帰属
所属していません StackOverflow
scroll top