我想将我的行合并到 symbolID 相同的单行中。符号 id 可以在列中出现两次。我在谷歌上学到了很多东西，我得到的东西Pivot可以用于这种类型的活动。但我很困惑如何使用它。我尝试了很多方法，return null
我正在使用 sql server 2008 以下是我的查询
select Sec.Description,Sec.SecurityTypeID, t.SymbolID,Sec.Symbol, SUM(Quantity)as Quantity, round(sum(CostBasisAdjustment),2) as CostBasis,
t.PortfolioID,Sec.AccrualMethodTypeID,Sec.AnnualIncomeRate,Sec.IncomeFrequencyID,sec.DisplayAccruedFlag, Pr.price as CurPrice
,case
when sec.SecurityTypeID = 2 then round(SUM(t.quantity*pr.price/100),2) -- Fixed = 2
when sec.SecurityTypeID = 5 then round(SUM(t.quantity*pr.price/100),2) -- CD = 5
when sec.SecurityTypeID = 6 then round(SUM(t.quantity*pr.Factor*pr.price/100),2) -- Mortgage= 6
when sec.SecurityTypeID = 8 then round(SUM(t.quantity*100*pr.price),2) -- Options = 8
when sec.SecurityTypeID = 11 then round(Sum(CostBasisAdjustment),2) -- Cash = 11
when sec.SecurityTypeID = 9 then round(SUM(t.quantity*pr.price/100),2) -- T-Bill = 9
-- Calculation for Paper unknownen AT this time. -- Paper = 10
-- Calculation for Index ** Not Used ** AT this time. -- Index = 12
else round(SUM(t.quantity*pr.price),2) -- Equity = 1,3,4,7
end as EndValue
--
-- Case Unrealized gain or loss
,case
-- Individual securityTypeID check so the correct multipler can be used.
-- Checking the SecurityTypeID give us the unit amount for the quantity.
-- Checking the LongPositonsflag lets us know if we own the security or we are short(negative) the security.
--
-- Price does not exist in price file
when pr.Price IS null and sec.SecurityTypeID <> 11 then sum(t.CostBasisAdjustment *-1)
-- Option Unrealized
when sec.SecurityTypeID = 8 and t.LongPositionFlag = 1 then round(SUM(t.Quantity*100*pr.price)-sum(t.CostBasisAdjustment),2)
when sec.SecurityTypeID = 8 and t.LongPositionFlag = 0 then round(SUM(t.Quantity*-100*pr.price)+sum(t.CostBasisAdjustment),2)
--
-- Fixed Unrealized
when sec.SecurityTypeID = 2 and t.LongPositionFlag = 1 then round(SUM(t.Quantity*pr.price/100)-sum(t.CostBasisAdjustment),2)
when sec.SecurityTypeID = 2 and t.LongPositionFlag = 0 then round(SUM(t.Quantity*pr.price/100)+sum(t.CostBasisAdjustment),2)
-- T-Bill Unrealized
when sec.SecurityTypeID = 9 and t.LongPositionFlag = 1 then round(SUM(t.Quantity*pr.price/100)-sum(t.CostBasisAdjustment),2)
when sec.SecurityTypeID = 9 and t.LongPositionFlag = 0 then round(SUM(t.Quantity*pr.price/100)+sum(t.CostBasisAdjustment),2)
-- CD Unrealized
when sec.SecurityTypeID = 5 and t.LongPositionFlag = 1 then round(SUM(t.Quantity*pr.price/100)-sum(t.CostBasisAdjustment),2)
when sec.SecurityTypeID = 5 and t.LongPositionFlag = 0 then round(SUM(t.Quantity*pr.price/100)+sum(t.CostBasisAdjustment),2)
-- Mortgage Unrealized
when sec.SecurityTypeID = 6 and t.LongPositionFlag = 1 then round(SUM(t.quantity*pr.Factor*pr.price/100)-sum(t.CostBasisAdjustment),2)
when sec.SecurityTypeID = 6 and t.LongPositionFlag = 0 then round(SUM(t.quantity*pr.Factor*pr.price/100)+sum(t.CostBasisAdjustment),2)
else round(SUM(t.Quantity*pr.price)-sum(t.CostBasisAdjustment),2)
end as Unrealized
--, dbo.Fcm_fc_GetAccrued(t.SymbolID,SUM(Quantity),@FromDate) as accurd -- Calculate Accrued Interest
from Transactions as t
inner join securities as sec on t.SymbolID = sec.SecurityID
left outer join SecurityPrices as pr on symbolid = pr.SecurityID AND pr.PriceDate = @PriceDateFrom -- sets the price file date
where PortfolioID = @PortfolioID
and TradeDate <= @FromDate
and t.StatusTypeID <> 110
group by portfolioid,t.LongPositionFlag, symbolid,sec.Symbol, sec.Description,sec.SecurityTypeID, pr.price
,Sec.AccrualMethodTypeID,Sec.AnnualIncomeRate,Sec.IncomeFrequencyID,sec.DisplayAccruedFlag,sec.MaturityDate having SUM(quantity) <> 0
union all
select Sec.Description,Sec.SecurityTypeID, t.SymbolID,Sec.Symbol, SUM(Quantity)as Quantity, round(sum(CostBasisAdjustment),2) as CostBasis,
t.PortfolioID,Sec.AccrualMethodTypeID,Sec.AnnualIncomeRate,Sec.IncomeFrequencyID,sec.DisplayAccruedFlag, Pr.price as CurPrice
,case
when sec.SecurityTypeID = 2 then round(SUM(t.quantity*pr.price/100),2) -- Fixed = 2
when sec.SecurityTypeID = 5 then round(SUM(t.quantity*pr.price/100),2) -- CD = 5
when sec.SecurityTypeID = 6 then round(SUM(t.quantity*pr.Factor*pr.price/100),2) -- Mortgage= 6
when sec.SecurityTypeID = 8 then round(SUM(t.quantity*100*pr.price),2) -- Options = 8
when sec.SecurityTypeID = 11 then round(Sum(CostBasisAdjustment),2) -- Cash = 11
when sec.SecurityTypeID = 9 then round(SUM(t.quantity*pr.price/100),2) -- T-Bill = 9
-- Calculation for Paper unknownen AT this time. -- Paper = 10
-- Calculation for Index ** Not Used ** AT this time. -- Index = 12
else round(SUM(t.quantity*pr.price),2) -- Equity = 1,3,4,7
end as BeginningVal
--
-- Case Unrealized gain or loss
,case
-- Individual securityTypeID check so the correct multipler can be used.
-- Checking the SecurityTypeID give us the unit amount for the quantity.
-- Checking the LongPositonsflag lets us know if we own the security or we are short(negative) the security.
--
-- Price does not exist in price file
when pr.Price IS null and sec.SecurityTypeID <> 11 then sum(t.CostBasisAdjustment *-1)
-- Option Unrealized
when sec.SecurityTypeID = 8 and t.LongPositionFlag = 1 then round(SUM(t.Quantity*100*pr.price)-sum(t.CostBasisAdjustment),2)
when sec.SecurityTypeID = 8 and t.LongPositionFlag = 0 then round(SUM(t.Quantity*-100*pr.price)+sum(t.CostBasisAdjustment),2)
--
-- Fixed Unrealized
when sec.SecurityTypeID = 2 and t.LongPositionFlag = 1 then round(SUM(t.Quantity*pr.price/100)-sum(t.CostBasisAdjustment),2)
when sec.SecurityTypeID = 2 and t.LongPositionFlag = 0 then round(SUM(t.Quantity*pr.price/100)+sum(t.CostBasisAdjustment),2)
-- T-Bill Unrealized
when sec.SecurityTypeID = 9 and t.LongPositionFlag = 1 then round(SUM(t.Quantity*pr.price/100)-sum(t.CostBasisAdjustment),2)
when sec.SecurityTypeID = 9 and t.LongPositionFlag = 0 then round(SUM(t.Quantity*pr.price/100)+sum(t.CostBasisAdjustment),2)
-- CD Unrealized
when sec.SecurityTypeID = 5 and t.LongPositionFlag = 1 then round(SUM(t.Quantity*pr.price/100)-sum(t.CostBasisAdjustment),2)
when sec.SecurityTypeID = 5 and t.LongPositionFlag = 0 then round(SUM(t.Quantity*pr.price/100)+sum(t.CostBasisAdjustment),2)
-- Mortgage Unrealized
when sec.SecurityTypeID = 6 and t.LongPositionFlag = 1 then round(SUM(t.quantity*pr.Factor*pr.price/100)-sum(t.CostBasisAdjustment),2)
when sec.SecurityTypeID = 6 and t.LongPositionFlag = 0 then round(SUM(t.quantity*pr.Factor*pr.price/100)+sum(t.CostBasisAdjustment),2)
else round(SUM(t.Quantity*pr.price)-sum(t.CostBasisAdjustment),2)
end as Unrealized
--,dbo.Fcm_fc_GetAccrued(t.SymbolID,SUM(Quantity),@ToDate) as accurd -- Calculate Accrued Interest
--into #mfbegpos
from Transactions as t
inner join securities as sec on t.SymbolID = sec.SecurityID
left outer join SecurityPrices as pr on symbolid = pr.SecurityID AND pr.PriceDate = @PriceDateTo -- sets the price file date
-- Two variables are need one for the Price Date and one for the Position Date they can be different.
where PortfolioID = @PortfolioID
--and TradeDate <= '2012/12/31' -- set the position date
and TradeDate <= @ToDate
and t.StatusTypeID <> 110
group by portfolioid,t.LongPositionFlag, symbolid,sec.Symbol, sec.Description,sec.SecurityTypeID, pr.price
,Sec.AccrualMethodTypeID,Sec.AnnualIncomeRate,Sec.IncomeFrequencyID,sec.DisplayAccruedFlag,sec.MaturityDate having SUM(quantity) <> 0
以下是数据输出样本
请指导我，我真的被卡住了。