XML Workshop VII - Validating values with SCHEMA

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XML Workshop VII - Validating values with SCHEMA

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bdba

Posted Thursday, April 02, 2009 10:02 PM

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Last Login: Wednesday, February 13, 2013 9:15 PM
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Hi Jacob,

I am trying to Raise an error using RAISEERROR function in sql when the XML schema validation fails.
I am doing this inside a store proc. I am declaring the XML doc binding it to it's XSD schema in the TRY block and if validation fails, raise a user define error number by using RAISEERROR function in the catch block. However, somehow i am not able to do this and sql return it's own error the moment it executes that line of code. So using Employee example here, I am doing something like this.

CREATE PROC ImportEmployeeInfo
@EmployeeXML as XML
AS

BEGIN

BEGIN TRY

DECLARE @EmpXML AS XML(EmployeeSchema) --declaring a local XML variable and binding it to a schema
DECLARE @LocalError

SET @EmpXML = @EmployeeXML -- here I am setting the @EmpXML to @EmployeeXML variable passed in
IF @@error<>0 --if the @EmployeeXML failed the XSD validation, i beileve there would be an error right
BEGIN
SET @LocalError = 50001 --user defined error
RaiseError(' The input parameter @EmployeeXML is not valid', 16, 1)
END

--The XML shredding and import into table goes here

END TRY

BEGIN CATCH

--I have another another user defined errorhandler proc here which will take the above @LocalError
--as input parameter and raise a detailed error

END CATCH

END --End of Proc

Post #689575

jacob sebastian

Posted Tuesday, May 05, 2009 1:41 AM

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Here is an example that I just tried and it works

DECLARE @x XML(CustomerSchema), @y XML
SELECT @y = '<test>a</test>'
BEGIN TRY
	SELECT @x = @y
END TRY
BEGIN CATCH
	RAISERROR('Hey, this is an invalid XML',16,1)
END CATCH
/*
OUTPUT:

Msg 50000, Level 16, State 1, Line 7
Hey, this is an invalid XML
*/

Post #709961

poorna.saikam

Posted Monday, July 25, 2011 8:32 AM

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Last Login: Monday, February 06, 2012 4:59 AM
Points: 1, Visits: 27

hi, can any one please let me know how to get multiple error messages while validating xml using xsd?
no CLR or any dlls.
thank you so much in advance.

Post #1147542

Milko González

Posted Monday, January 28, 2013 11:56 AM

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Group: General Forum Members
Last Login: Monday, May 13, 2013 10:52 AM
Points: 1, Visits: 21

Is there any way to get all error messages validating xml using xsd?
no CLR or any dlls.

Post #1412590

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