我有一个视图，它返回一个表的值。这个过程需要很长时间......所以我觉得如果在视图上建立索引会更好。任何人都可以引导我添加索引来查看。
ALTER View [dbo].[GetApplicationBudgetAndUtilized]
as
Select *, (convert(money,isnull(TotalBudget,0)) - convert(money,isnull(Utilized,0))) as [Left] from (
SELECT Distinct PM.PKID AS ProgramID, F.PKID as FundID, I.PKID as ProjectID,
MYB.PKID AS MultiYearBudgetID,
(Select Isnull(Sum(IsNull(PBC1.BudgetAmount,0)),0) from ProgramBudgetConfiguration PBC1
Where pbc1.MultiYearBgtIdFkId = pbc.MultiYearBgtIdFkId and PBC1.IsActive = 1 and LOVBudgetTypeIDFKID = 'BT_INC' group
by pbc1.MultiYearBgtIdFkId) AS TotalProgramBudget,
App.TotalBudget,
I.PKID,
(Case when exists (Select 'x' from InstallationTransactionHeader Where ParentPrjNumber = I.PKID and IsDelete = 0)
then
(case
when not exists (select cast(isnull(I1.CustInstallIncAmt,0.00) + isnull(I1.SPInstIncentiveAmt,0.00) + isnull(I1.ThirdPartyIncentive,0.00) as Money)
from InstallationTransactionHeader I1 where I1.ParentPrjNumber is not null and I1.StatusFKID in ('ITS_SUB','ITS_APP','ITS_VRF') and
I1.ParentPrjNumber = I.PKID and I1.FundRequestIDFKID is not null) then (select '0')
else
(select isnull(sum(cast(isnull(I1.CustInstallIncAmt,0.00) + isnull(I1.SPInstIncentiveAmt,0.00) + isnull(I1.ThirdPartyIncentive,0.00) as Money)),0)
from InstallationTransactionheader I1 where I1.StatusFKID in ('ITS_SUB','ITS_APP','ITS_VRF') and I1.ParentPrjNumber is not null and
I1.ParentPrjNumber = I.PKID and I1.isdelete = 0 and I1.FundRequestIDFKID is not null group by I1.parentPrjNumber)
End)
else
--isnull(cast(isnull(I.CustInstallIncAmt,0.00) + isnull(I.SPInstIncentiveAmt,0.00) + isnull(I.ThirdPartyIncentive,0.00) as Money),0)
(case
when not exists (select isnull(cast(isnull(I.CustInstallIncAmt,0.00) + isnull(I.SPInstIncentiveAmt,0.00) + isnull(I.ThirdPartyIncentive,0.00) as Money),0) from
InstallationTransactionHeader I where StatusFKID in ('ITS_SUB','ITS_APP','ITS_VRF') and IsDelete = 0 and
PKID = I.PKID and I.FundRequestIDFKID is not null) then 0--(select '0')
else
(select isnull(sum(cast(isnull(I1.CustInstallIncAmt,0.00) + isnull(I1.SPInstIncentiveAmt,0.00) + isnull(I1.ThirdPartyIncentive,0.00) as Money)),0)
from InstallationTransactionheader I1 where I1.StatusFKID in ('ITS_SUB','ITS_APP','ITS_VRF') and IsDelete = 0 and I1.FundRequestIDFKID is not null and
PKID = I.PKID)
End)
End) as Utilized
--Cast(App.TotalBudget - (isnull(I.CustInstallIncAmt,0.00) + isnull(I.SPInstIncentiveAmt,0.00) + isnull(I.ThirdPartyIncentive,0.00)) as Money) as [Left]
FROM
( SELECT PKID as FundID, ProgramID AS ProgramID, (ISNULL(IncentiveAmount,0.00) + ISNULL(CustInstallIncAmt, 0.00) + ISNULL(SPInstIncentiveAmt, 0.00) ) AS TotalBudget
FROM dbo.FundRequestHeader AS F WHERE (IsDelete = 0) AND (IsActive = 1) AND (StatusFKID in ('IAS_APP','IAS_CAN'))) AS App
INNER JOIN dbo.ProgramMaster AS PM
INNER JOIN dbo.MultiYearBudget AS MYB ON PM.PKID = MYB.ProgramIDFKID
INNER JOIN dbo.ProgramBudgetConfiguration AS PBC ON MYB.PKID = PBC.MultiYearBgtIdFkId ON App.ProgramID = PM.PKID
INNER JOIN dbo.FundRequestHeader AS F ON F.PKID = App.FundID
INNER JOIN dbo.InstallationTransactionHeader AS I ON I.FundRequestIDFKID = F.PKID
WHERE (PM.IsActive = 1) AND (MYB.IsActive = 1) AND (PBC.IsActive = 1) AND
(PBC.LOVBudgetTypeIDFKID = 'BT_INC') And (F.StatusFKID in ('IAS_APP','IAS_CAN'))
--and (1=case when(select ProgramTypeIDFKID from InstallationTransactionHEader where ProgramTypeIDFKID='IT_PRE' and ParentPrjNumber is null and PaymentSchedule=1)='IT_PRE' then 0 else 1 end)
--and I.ProgramTypeIDFKID <> 'IT_PRE' or I.PaymentSchedule = 0 or (I.ProgramTypeIDFKID = 'IT_PRE' and I.PaymentSchedule = 1 and I.ParentPrjNumber is not null)
and MYB.PKID = F.BudgetPeriodID and ((MYB.IsActive = 1))-- or ((MYB.status = 0) and F.StatusFKID ='IAS_APP'))
and (MYB.Status = 1 or (MYB.Status =(case when exists(select M.status from MultiYearBudget M, FundRequestHeader F
where F.ProgramID=M.ProgramIDFKID and F.ProgramTypeIDFKID <>'IT_FCFS' and M.Pkid=F.BudgetPeriodID
and F.StatusFKID='IAS_APP' and F.ProgramID=PM.PKID and M.Status=0 )then 0 else 1 end))
)
)temp
GO
答案 0 :(得分：0)
索引视图具有某些limitations
在你的情况下，我可以立即看到一些阻挡者
SELECT * 请阅读这篇文章，看看你有多远......
但是，您应该能够查看执行计划，找出可以将索引添加到基表的瓶颈