sp_xml_preparedocument inside UDF

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sp_xml_preparedocument inside UDF

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AskSQLTeam
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0 Posts

Posted - 2004-02-17 : 08:20:13

Jorge writes "Dear friends,

I need to get an information from a XML node and this content is inside of a text field called "XMLContent" from a table called "TBL_SIMULATION"

Here the script:

Create Function getProductID(@XMLContent text, @SearchFor char(4))
returns int
as
begin

declare @idoc int
declare @ProductID int
declare @XML_XPath varchar(8000)

set @XML_XPath = '//simulation/products/product[@released=' + @SearchFor + ']'

EXEC sp_xml_preparedocument @XMLContent OUTPUT, @idoc

SELECT @ProductID = product_id
FROM OPENXML (@idoc, @XML_XPath,1)
WITH (product_id int)

EXEC sp_xml_removedocument @idoc

return(@ProductID)

End
go

select prm.dbo.getProductID(XMLContent, '1999')
from prm.dbo.Tbl_Simulation
where Simulation_ID = 316
go

When I run the code above I got an error message:

Server: Msg 557, Level 16, State 2, Procedure getProductID, Line 12
Only functions and extended stored procedures can be executed from within a function.

Does anyone could help me?

Thanks in advance.

Jorge"

ehorn
Master Smack Fu Yak Hacker

1632 Posts

Posted - 2004-02-17 : 08:52:51

sp_xml_removedocument can not be executed from within a function. You can rewrite this function as a stored procedure.

safigi
Starting Member

15 Posts

Posted - 2004-02-17 : 16:19:44

try this:

SELECT a.*
FROM OPENROWSET('SQLOLEDB','yoursqlservername';'sa';'pwd',
'DECLARE @idoc int
DECLARE @doc varchar(1000)
SET @doc =''
<ROOT>
<Customer CustomerID="VINET" ContactName="Paul Henriot">
<Order CustomerID="VINET" EmployeeID="5" OrderDate="1996-07-04T00:00:00">
<OrderDetail OrderID="10248" ProductID="11" Quantity="12"/>
<OrderDetail OrderID="10248" ProductID="42" Quantity="10"/>
</Order>
</Customer>
<Customer CustomerID="LILAS" ContactName="Carlos Gonzlez">
<Order CustomerID="LILAS" EmployeeID="3" OrderDate="1996-08-16T00:00:00">
<OrderDetail OrderID="10283" ProductID="72" Quantity="3"/>
</Order>
</Customer>
</ROOT>''
--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.
SELECT *
FROM OPENXML (@idoc, ''/ROOT/Customer'',1)
WITH (CustomerID varchar(10),
ContactName varchar(20))'
) as a

safi

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