sql中merge的用法

Merge语法编辑

MERGE [hint] INTO [schema ] table [t_alias]
USING [schema ]{ table | view | subquery } [t_alias]
ON ( condition )
WHEN MATCHED THEN merge_update_clause
WHEN NOT MATCHED THEN merge_insert_clause;

----------------------以下为存储过程中应用的示例--------------------------------------------------------------------------------------------------------------------------------------------------------------------------

USE [myRIS612]

GO

/****** Object:  StoredProcedure [dbo].[Proc_TakeReportReleaseContent]    Script Date: 09/02/2015 15:09:40 ******/

SET ANSI_NULLS ON

GO

SET QUOTED_IDENTIFIER ON

GO

create proc [dbo].[Proc_TakeReportReleaseContent] @OpenDebugLog BIT ='FALSE' --

as

 

DECLARE @LeastStamp ROWVERSION  --时间戳--

SELECT @LeastStamp=Stamp  FROM p_DataVersion  WHERE DMLType=4

declare @ShortReportID int --ShortReportID 暂未用到

DECLARE @XSLID nvarchar(24)--5

declare @LastActiveDateTime datetime

declare @LastActiveUserCode nvarchar(64)

 

 set @LastActiveDateTime=GETDATE()--赋值

 set @LastActiveUserCode=@@SERVERNAME

--set @XSLID=''

  set @ShortReportID=0

BEGIN TRY
BEGIN TRANSACTION DML;

MERGE dbo.ReportReleaseContent AS Target

USING(SELECT distinct RP.ReportID,RP.ImageFinding, RP.Impression,

   '<?xml version="1.0" encoding="gb2312" ?>  <?xml-stylesheet type="text/xsl" href="cdcatalog1.xsl"?>'+(select top 1 --xml生成的自段

   RPC.ReportID,RPC.ImageFinding, RPC.Impression,RPC.ReportPhysicianCode,RPC.ReportDateTime, 

  RPC.VerifyDoctorCode1, RPC.VerifyDoctorCode2, RPC.VerifyDateTime1, RPC.VerifyDateTime2,RPC.CurrentStatus,

  RPC.Positive,RPC.Status,

 PAT.PatName, PAT.PatOtherName,datediff(YY,PAT.Birthday,od.OrderDateTime)AS PatAge,

 dbo.GetDictionary('Sex',pat.SexCode,'DisplayText') as Sex,

 dbo.GetDictionary('DepartmentInfo',od.DepartmentCode,'DisplayText') as DepartmentName,

 pids.PatNumber, dbo.GetDictionary('Ward',vst.WardCode,'DisplayText') as OutpatientName,

  dbo.GetDictionary('Staff',RPC.ReportPhysicianCode,'DisplayText') as ReportPhysicianName,

  PAT.IdentityNumber,

 pids.PatNumber,od.DepartmentCode,vst.OutpatientCode,vst.WardCode,vst.BedNumber,vst.InpatientCode,EXM.RegistrationDateTime, 

  RPC.EquipeType,RPC.BiopsySiteCode,RPC.Proposal,RPC.HP,

  RPC.ReportBarcode, RPC.ReportPhysicianCode

  from ReportContent as RPC

INNER JOIN Examination AS EXM ON RPC.ReportID=EXM.ReportID

INNER JOIN [Order] AS OD ON EXM.OrderID=OD.OrderID

INNER JOIN Visit AS VST ON OD.VisitID=VST.VisitID

INNER JOIN (SELECT PatID,PatNumber FROM PatientIdentify WHERE NTypeCode='0003') AS PIDS ON VST.PatID=PIDS.PatID

INNER JOIN Patient AS PAT ON VST.PatID=PAT.PatID

WHERE 1=1 

And (@LeastStamp IS NULL OR RP.Stamp>@LeastStamp) 

AND CurrentStatus>=140 

and RP.ReportID=rpc.ReportID

 FOR XML RAW('patientInfo'),ELEMENTS XSINIL,ROOT('SIMED_REPORT'))as XMLContent,------xml字段结束

 rp.ReportPhysicianCode,RP.ReportDateTime, 

  RP.VerifyDoctorCode1, RP.VerifyDoctorCode2, RP.VerifyDateTime1, RP.VerifyDateTime2,RP.CurrentStatus,

  RP.Positive,RP.Status

  from ReportContent as RP

INNER JOIN Examination AS EXM ON RP.ReportID=EXM.ReportID

INNER JOIN [Order] AS OD ON EXM.OrderID=OD.OrderID

INNER JOIN Visit AS VST ON OD.VisitID=VST.VisitID

INNER JOIN (SELECT PatID,PatNumber FROM PatientIdentify WHERE NTypeCode='0003') AS PIDS ON VST.PatID=PIDS.PatID

INNER JOIN Patient AS PAT ON VST.PatID=PAT.PatID

WHERE  1=1

 and(@LeastStamp IS NULL OR RP.Stamp>@LeastStamp) 

 AND CurrentStatus>=140)

 AS Source(ReportID,ImageFinding,Impression,XMLContent,ReportPhysicianCode,ReportDateTime,VerifyDoctorCode1,

 VerifyDoctorCode2,VerifyDateTime1,VerifyDateTime2,CurrentStatus,Positive,Status) 

 

 ON (Target.ReportID=Source.ReportID)
 WHEN MATCHED THEN

   UPDATE SET Target.ImageFinding=Source.ImageFinding

   ,Target.Impression=Source.Impression

   ,Target.XMLContent=Source.XMLContent

   ,Target.ReportPhysicianCode=Source.ReportPhysicianCode

   ,Target.ReportDateTime=Source.ReportDateTime

   ,Target.VerifyDoctorCode1=Source.VerifyDoctorCode1

   ,Target.VerifyDoctorCode2=Source.VerifyDoctorCode2

   ,Target.VerifyDateTime1=Source.VerifyDateTime1

   ,Target.VerifyDateTime2=Source.VerifyDateTime2

   ,Target.CurrentStatus=Source.CurrentStatus

   ,Target.Positive=Source.Positive

   ,Target.Status=Source.Status

  --,Target.ShortReportID=Source.ReportID--ShortReportID

  ,Target.XSLID=''

  --,Target.LastActiveDateTime=GETDATE()

  --,Target.LastActiveUserCode=@@SERVERNAME

 WHEN NOT MATCHED THEN

 INSERT (ReportID,ShortReportID,ImageFinding,Impression,XMLContent,XSLID,ReportPhysicianCode,ReportDateTime,VerifyDoctorCode1,

 VerifyDoctorCode2,VerifyDateTime1,VerifyDateTime2,CurrentStatus,Positive,LastActiveDateTime,LastActiveUserCode,Status)

 VALUES(Source.ReportID,@ShortReportID,Source.ImageFinding,Source.Impression,Source.XMLContent,@XSLID,Source.ReportPhysicianCode,Source.ReportDateTime,Source.VerifyDoctorCode1,

 Source.VerifyDoctorCode2,Source.VerifyDateTime1,Source.VerifyDateTime2,Source.CurrentStatus,Source.Positive,@LastActiveDateTime,@LastActiveUserCode,Source.Status);

 --convert( int,Source.ReportID)

  BEGIN  

  DELETE FROM dbo.[p_DataVersion]  

  WHERE [DMLType]=4

  

  INSERT INTO dbo.[p_DataVersion]([DMLType],[Remark])  

  VALUES(4,N'黄浦区数据，ReportReleaseContent数据处理')  

 END  

 

  --记录日志  

    INSERT INTO [dbo].[p_AuditLogs]([UserId],[Username],[Location],[AuditTime],[ModuleName],[EventName],[TargetType],[TargetId],[FunctionResult],[LongDescription])  

    VALUES (@@SPID,'Proc_TakeReportReleaseContent',@@SERVERNAME,GETDATE(),'DataMove','DataMove','DataMove','ReportReleaseContent','Success','WKL Data Copy 2 LastYears.'+CAST(@@ROWCOUNT AS VARCHAR) +' row(s) affected.')

    
COMMIT  TRANSACTION DML;

END TRY

BEGIN CATCH
ROLLBACK  TRANSACTION DML;

--记录日志  

    INSERT INTO [dbo].[p_AuditLogs]([UserId],[Username],[Location],[AuditTime],[ModuleName],[EventName],[TargetType],[TargetId],[FunctionResult],[LongDescription])  

    VALUES (@@SPID,'Proc_TakeReportReleaseContent',@@SERVERNAME,GETDATE(),'DataMove','DataMove','DataMove','ReportReleaseContent','Failed',ERROR_MESSAGE())  

    

END CATCH

--------- exec  Proc_TakeReportReleaseContent

--select * from dbo.ReportReleaseContent

--  select * from p_DataVersion

--  select * from p_AuditLogs order by audittime desc

-------删除delete from p_DataVersion where DMLType=4