/****** Object:  View [dbo].[vMsAppUsed]    Script Date: 11/20/2013 17:12:14 ******/
IF  EXISTS (SELECT * FROM sys.views WHERE object_id = OBJECT_ID(N'[dbo].[vMsAppUsed]'))
DROP VIEW [dbo].[vMsAppUsed]
GO

/****** Object:  View [dbo].[vMsAppUsed]    Script Date: 11/20/2013 17:12:15 ******/
SET ANSI_NULLS ON
GO

SET QUOTED_IDENTIFIER ON
GO


CREATE VIEW [dbo].[vMsAppUsed]
AS
select app_id,appweight,used,selected,
appweight-used-usedweight remain, 
appweight-usedweight-used-selected canbeused
from (select ap.id app_id,ap.[weight] as appweight,ap.usedweight,
case when selected is null then 0 else selected end selected,
case when used is null then 0 else used end used
from import_approval ap
left join 
 (select T1.app_id,sum(T1.selected) selected,sum(T1.used) used from
 (select app_id,
 case cancellation when 0 then convert(numeric(18,6),[weight]) else 0.000000 end selected ,
 case cancellation when 1 then convert(numeric(18,6),[weight]) else 0.000000 end used 
 from import_appstate) T1 group by T1.app_id)T2 on T2.app_id=ap.id)T3
            
GO


select * from 
[vMsAppUsed]

/*
select ap.id app_id,ap.[weight] appweight ,
convert(numeric(18,6),T1.used ) used,
convert(numeric(18,6),T1.selected ) selected
from import_approval ap
left join
(select app_id ,sum(at.[weight]/1000) as used,0 as selected
from import_appstate at where cancellation=1
group by app_id
union all
select app_id ,0 as used,sum(at.[weight]/1000) as selected
from import_appstate at where cancellation=0
group by app_id
) T1
on T1.app_id=ap.id*/

--select * from [vMsAppUsed]