C# 你自己的博客,但如果你404的话,在这里总结代码可能会有帮助。我的评论添加了足够的信息,以防我的博客死掉。但我会根据你的建议进行编辑。编辑是使用xml进行的,但概念应该是相同的。 ALTER procedure [dbo].[wl] @test [dbo]
C# 你自己的博客,但如果你404的话,在这里总结代码可能会有帮助。我的评论添加了足够的信息,以防我的博客死掉。但我会根据你的建议进行编辑。编辑是使用xml进行的,但概念应该是相同的。 ALTER procedure [dbo].[wl] @test [dbo],c#,sql,sql-server,C#,Sql,Sql Server,你自己的博客,但如果你404的话,在这里总结代码可能会有帮助。我的评论添加了足够的信息,以防我的博客死掉。但我会根据你的建议进行编辑。编辑是使用xml进行的,但概念应该是相同的。 ALTER procedure [dbo].[wl] @test [dbo].[testType] readonly as Begin merge into t_values as Target using @test as Source on Target.Id =Source.Id when matched
你自己的博客,但如果你404的话,在这里总结代码可能会有帮助。我的评论添加了足够的信息,以防我的博客死掉。但我会根据你的建议进行编辑。编辑是使用xml进行的,但概念应该是相同的。
ALTER procedure [dbo].[wl]
@test [dbo].[testType] readonly
as
Begin
merge into t_values as Target
using @test as Source
on Target.Id =Source.Id
when matched then
update set target.Num=Source.Num
when not matched then
insert (Id,Num)
values (Source.Id, Source.Num);
End
IF OBJECT_ID('tempdb..#DestinationPersonParentTable') IS NOT NULL
begin
drop table #DestinationPersonParentTable
end
IF OBJECT_ID('tempdb..#DestinationEmailAddressPersonChildTable') IS NOT NULL
begin
drop table #DestinationEmailAddressPersonChildTable
end
CREATE TABLE #DestinationPersonParentTable
(
PersonParentSurrogateIdentityKey int not null identity (1001, 1),
SSNNaturalKey int,
HireDate datetime
)
declare @PersonOutputResultsAuditTable table
(
SSNNaturalKey int,
PersonParentSurrogateIdentityKeyAudit int
)
CREATE TABLE #DestinationEmailAddressPersonChildTable
(
DestinationChildSurrogateIdentityKey int not null identity (3001, 1),
PersonParentSurrogateIdentityKeyFK int,
EmailAddressValueNaturalKey varchar(64),
EmailAddressType int
)
-- Declare XML variable
DECLARE @data XML;
-- Element-centered XML
SET @data = N'
<root xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<Person>
<SSN>222222222</SSN>
<HireDate>2002-02-02</HireDate>
</Person>
<Person>
<SSN>333333333</SSN>
<HireDate>2003-03-03</HireDate>
</Person>
<EmailAddress>
<SSNLink>222222222</SSNLink>
<EmailAddressValue>g@g.com</EmailAddressValue>
<EmailAddressType>1</EmailAddressType>
</EmailAddress>
<EmailAddress>
<SSNLink>222222222</SSNLink>
<EmailAddressValue>h@h.com</EmailAddressValue>
<EmailAddressType>2</EmailAddressType>
</EmailAddress>
<EmailAddress>
<SSNLink>333333333</SSNLink>
<EmailAddressValue>a@a.com</EmailAddressValue>
<EmailAddressType>1</EmailAddressType>
</EmailAddress>
<EmailAddress>
<SSNLink>333333333</SSNLink>
<EmailAddressValue>b@b.com</EmailAddressValue>
<EmailAddressType>2</EmailAddressType>
</EmailAddress>
</root>
';
INSERT INTO #DestinationPersonParentTable ( SSNNaturalKey , HireDate )
output inserted.SSNNaturalKey , inserted.PersonParentSurrogateIdentityKey into @PersonOutputResultsAuditTable ( SSNNaturalKey , PersonParentSurrogateIdentityKeyAudit)
SELECT T.parentEntity.value('(SSN)[1]', 'INT') AS SSN,
T.parentEntity.value('(HireDate)[1]', 'datetime') AS HireDate
FROM @data.nodes('root/Person') AS T(parentEntity)
/* add a where not exists check on the natural key */
where not exists (
select null from #DestinationPersonParentTable innerRealTable where innerRealTable.SSNNaturalKey = T.parentEntity.value('(SSN)[1]', 'INT') )
;
/* Optional. You could do a UPDATE here based on matching the #DestinationPersonParentTableSSNNaturalKey = T.parentEntity.value('(SSN)[1]', 'INT')
You could Combine INSERT and UPDATE using the MERGE function on 2008 or later.
*/
select 'PersonOutputResultsAuditTable_Results' as Label, * from @PersonOutputResultsAuditTable
INSERT INTO #DestinationEmailAddressPersonChildTable ( PersonParentSurrogateIdentityKeyFK , EmailAddressValueNaturalKey , EmailAddressType )
SELECT par.PersonParentSurrogateIdentityKeyAudit ,
T.childEntity.value('(EmailAddressValue)[1]', 'varchar(64)') AS EmailAddressValue,
T.childEntity.value('(EmailAddressType)[1]', 'INT') AS EmailAddressType
FROM @data.nodes('root/EmailAddress') AS T(childEntity)
/* The next join is the "trick". Join on the natural key (SSN)....**BUT** insert the PersonParentSurrogateIdentityKey into the table */
join @PersonOutputResultsAuditTable par on par.SSNNaturalKey = T.childEntity.value('(SSNLink)[1]', 'INT')
where not exists (
select null from #DestinationEmailAddressPersonChildTable innerRealTable where innerRealTable.PersonParentSurrogateIdentityKeyFK = par.PersonParentSurrogateIdentityKeyAudit AND innerRealTable.EmailAddressValueNaturalKey = T.childEntity.value('(EmailAddressValue)[1]', 'varchar(64)'))
;
print '/#DestinationPersonParentTable/'
select * from #DestinationPersonParentTable
print '/#DestinationEmailAddressPersonChildTable/'
select * from #DestinationEmailAddressPersonChildTable
select SSNNaturalKey , HireDate , '---' as Sep1 , EmailAddressValueNaturalKey , EmailAddressType , '---' as Sep2, par.PersonParentSurrogateIdentityKey as ParentPK , child.PersonParentSurrogateIdentityKeyFK as childFK from #DestinationPersonParentTable par join #DestinationEmailAddressPersonChildTable child
on par.PersonParentSurrogateIdentityKey = child.PersonParentSurrogateIdentityKeyFK
IF OBJECT_ID('tempdb..#DestinationPersonParentTable') IS NOT NULL
begin
drop table #DestinationPersonParentTable
end
IF OBJECT_ID('tempdb..#DestinationEmailAddressPersonChildTable') IS NOT NULL
begin
drop table #DestinationEmailAddressPersonChildTable
end