[英]insert data from xml column into temp table
我有一個看起來像xml列
SET @XMLData = '<ArrayOfEntityNested xmlns:i="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://schemas.datacontract.org/2004/07/Gbms.Dto.Bijak">
<EntityNested>
<Id xmlns="http://schemas.datacontract.org/2004/07/Gbms.Dto">1</Id>
<Date xmlns="http://schemas.datacontract.org/2004/07/Gbms.Dto.VirginBijak">0001-01-01T00:00:00</Date>
<Description xmlns="http://schemas.datacontract.org/2004/07/Gbms.Dto.VirginBijak">deesc</Description>
<Number xmlns="http://schemas.datacontract.org/2004/07/Gbms.Dto.VirginBijak" i:nil="true" />
</EntityNested>
</ArrayOfEntityNested>'
我需要將XML中的數據插入到臨時表中。
為此,我使用以下代碼。 但是它不起作用,也沒有在臨時表中插入任何數據。
--Variables Decleration
DECLARE @XMLData VARCHAR(MAX)
DECLARE @idoc INT
-- Creating Temporary Table
CREATE TABLE #TEMP_TABLE
(
REC_ID INT IDENTITY(1,1),
[Id] INT,
[Date] VARCHAR(50),
[Number] VARCHAR(50),
);
--Case 1
SET @XMLData = '<ArrayOfEntityNested xmlns:i="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://schemas.datacontract.org/2004/07/Gbms.Dto.Bijak">
<EntityNested>
<Id xmlns="http://schemas.datacontract.org/2004/07/Gbms.Dto">1</Id>
<Date xmlns="http://schemas.datacontract.org/2004/07/Gbms.Dto.VirginBijak">0001-01-01T00:00:00</Date>
<Number xmlns="http://schemas.datacontract.org/2004/07/Gbms.Dto.VirginBijak" i:nil="true" />
</EntityNested>
</ArrayOfEntityNested>
'
--Reading Data from XML and inserting into Temp Table
EXECUTE sp_xml_preparedocument @idoc OUTPUT, @XMLData
INSERT INTO #TEMP_TABLE
SELECT *
FROM OpenXML(@idoc,'/ArrayOfEntityNested/EntityNested', 1)
WITH #TEMP_TABLE
EXECUTE sp_xml_removedocument @idoc
--Displaying data from Temp Table
SELECT * FROM #TEMP_TABLE
DROP TABLE #TEMP_TABLE;
但這不起作用,如果正確的xml格式如下所示:
SET @XMLData = '<ArrayOfEntityNested>
<EntityNested>
<Id>1</Id>
<Date>0001-01-01T00:00:00</Date>
<Description>deesc</Description>
<EmployeeId>2</EmployeeId>
<IsDeleted>false</IsDeleted>
<LoadingPermitTruckId>7541</LoadingPermitTruckId>
</EntityNested>
</ArrayOfEntityNested>'
然后就可以了。
請幫我。
首先-請使用適當的數據類型! 如果您的源數據是XML-為什么不使用XML
數據類型?
另外,如果您的表中有一個Date
-為什么沒有DATE
或DATETIME
類型呢? 為什么Number
是VARCHAR(50)
?
沒有意義......
然后:您無需查看XML文檔中存在的XML名稱空間-但必須 !
最后-我建議使用本機XQuery支持,而不使用不推薦使用的舊版sp_xml_preparedocument
/ OpenXML
方法。
對我來說似乎更容易,更清晰...
用這個:
-- variable declaration
DECLARE @XMLData XML
-- creating temporary table
CREATE TABLE #TEMP_TABLE
(
REC_ID INT IDENTITY(1,1),
[Id] INT,
[Date] DATETIME2(3),
[Number] INT
);
然后使用適當的XQuery語句, 包括XML名稱空間來處理數據:
SET @XMLData = '<ArrayOfEntityNested xmlns:i="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://schemas.datacontract.org/2004/07/Gbms.Dto.Bijak">
<EntityNested>
<Id xmlns="http://schemas.datacontract.org/2004/07/Gbms.Dto">1</Id>
<Date xmlns="http://schemas.datacontract.org/2004/07/Gbms.Dto.VirginBijak">0001-01-01T00:00:00</Date>
<Number xmlns="http://schemas.datacontract.org/2004/07/Gbms.Dto.VirginBijak" i:nil="true" />
</EntityNested>
<EntityNested>
<Id xmlns="http://schemas.datacontract.org/2004/07/Gbms.Dto">42</Id>
<Date xmlns="http://schemas.datacontract.org/2004/07/Gbms.Dto.VirginBijak">2013-12-22T14:45:00</Date>
<Number xmlns="http://schemas.datacontract.org/2004/07/Gbms.Dto.VirginBijak">373</Number>
</EntityNested>
</ArrayOfEntityNested>'
;WITH XMLNAMESPACES ('http://schemas.datacontract.org/2004/07/Gbms.Dto.Bijak' AS ns1,
'http://schemas.datacontract.org/2004/07/Gbms.Dto' AS ns2,
'http://schemas.datacontract.org/2004/07/Gbms.Dto.VirginBijak' AS ns3)
INSERT INTO #TEMP_TABLE(ID, Date, Number)
SELECT
xc.value('(ns2:Id)[1]', 'int'),
xc.value('(ns3:Date)[1]', 'DateTime2'),
xc.value('(ns3:Number)[1]', 'int')
FROM
@XmlData.nodes('/ns1:ArrayOfEntityNested/ns1:EntityNested') AS xt(xc)
DECLARE @idoc int
DECLARE @doc varchar(1000)
SET @doc ='
<OutLookContact>
<Contact FirstName="Asif" LastName="Ghafoor" EmailAddress1="asifghafoor@my.web.pk" />
<Contact FirstName="Rameez" LastName="Ali" EmailAddress1="rameezali@my.web.pk" />
</OutLookContact>'
--Create an internal representation of the XML document.
EXEC sp_xml_preparedocument @idoc OUTPUT, @doc
-- Execute a SELECT statement that uses the OPENXML rowset provider.
DECLARE @Temp TABLE(FirstName VARCHAR(250),LastName VARCHAR(250),Email1 VARCHAR(250))
INSERT INTO @Temp(FirstName,LastName,Email1)
SELECT *
FROM OPENXML (@idoc, '/OutLookContact/Contact',1)
WITH (FirstName varchar(50),LastName varchar(50),EmailAddress1 varchar(50))
select FirstName,LastName,Email1 from @Temp
如果您嘗試使用稱為pentaho的工具,將會容易得多。 http://en.wikipedia.org/wiki/Pentaho這是一個用於數據集成的開源工具。您可以創建從mysql或oracle到它的數據庫連接並進行轉換。它易於使用。
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