Question

假设我有四个不同的脚本，并且所有列都将用于创建Fact表，如果我将这四个脚本粘贴到OLE DB Source中的SQL命令中，它会起作用吗？考虑到我创建了一个由我使用的四个SQL脚本中的所有列组成的表。如果可能......那么我可以在OLE DB Source中的SQL命令中放入四个不同的脚本吗？即使创建将放在OLE DB目标中的表中的所有列（在四个脚本中），它是否会在映射部分引起混淆？

SQL 1：

Select r.ResourceID, r.SubSubFunctionCode, r.SubLocationCode, r.Site, SiteDesc, t.Resourceid, sum(ItemValue1) as HoursOutstanding, 
sum(ItemValue1 * isnull(case when itemvalue2 = 0 then CostRateRegOper else CostRateIntOper end,0)) 
as OperCostOutstanding,
sum(ItemValue1 * isnull(case when itemvalue2 = 0 then ChargeRateRegOper else ChargeRateIntOper end,0)) 
as OperRevenueOutstanding,
sum(ItemValue1 * isnull(case when itemvalue2 = 0 then CostRateRegHome else CostRateIntHome end,0)) 
as HomeCostOutstanding,
sum(ItemValue1 * isnull(case when itemvalue2 = 0 then ChargeRateRegHome else ChargeRateIntHome end,0)) 
as HomeRevenueOutstanding,
HomeCurrCode,
sum(ItemValue1 * isnull(case when itemvalue2 = 0 then CostRateRegNat else CostRateIntNat end,0)) 
as NatCostOutstanding,
sum(ItemValue1 * isnull(case when itemvalue2 = 0 then ChargeRateRegNat else CHargeRateIntNat end,0)) 
as NatRevenueOutstanding,
NatCurrCode
from ODS_Staff_Task t, ODS_CurrentResource r
where t.TaskTypeID in (5,6) --missing time
and R.RESOURCEID = T.RESOURCEID
and r.resourcetypecode <> 'C'
and t.sitedesc = r.resourcesite

SQL 2：

Select SiteDesc, t.Resourceid, sum(ItemValue1) as ExpenseToApprove from ODS_Staff_Task t
where t.TaskTypeID in (2) 
group by SiteDesc, t.Resourceid

SQL 3：

Select SiteDesc, t.Resourceid, sum(ItemValue1) as HoldsToRelease from ODS_Staff_Task t
where t.TaskTypeID in (3) 
group by SiteDesc, t.Resourceid

SQL 4：

Select SiteDesc, t.Resourceid, sum(ItemValue1) as MonthlyReviewsOutstanding from ODS_Staff_Task t
where t.TaskTypeID in (4) 
group by SiteDesc, t.Resourceid

非常感谢！

博

Answer 1

我尝试为每个SELECT语句使用一个OLE DB源，然后使用UNION ALL块来合并所有行。然后，您可以将UNION ALL块中的列映射到目标。但是你最终会得到很多NULL。由于并非所有列都存在于所有查询中。

是否可以在SSIS中创建包含多个sql脚本的Fact表？

1 个答案: