I have an XML column with sample values as
<error>
<errorno>BL04002055</errorno>
<description>Smart Rule PROJECT_COUNTRYCODE_VAL Violated</description>
<description2>Country Code is required</description2>
<correction />
</error>
<error>
<errorno>BL01001973</errorno>
<description />
<description2>Error While Saving the Project info</description2>
<correction />
</error>
<error>
<errorno>Unable to Create Custom Object</errorno>
<description />
<description2>Smart Rule PROJECT_COUNTRYCODE_VAL Violated: Country Code is required
Error While Saving the Project info</description2>
<correction />
</error>
I want to select description2 values comma separated
select *
--, Response.value(''/error/description2/text()'', 'varchar(8000)') as parsedString
, Response.query('/error/description2/text()') as parsedString
from #temp
Two problems here.
SQL Server does not implement the xPath function string-join
, so you would need to adopt a two step process, the first would be to extract all the terms to rows using nodes()
;
SELECT n.value('.', 'VARCHAR(100)') AS parsedString
FROM #temp AS t
CROSS APPLY t.Response.nodes('/error/description2') r (n);
Which gives you your values as rows:
parsedString
----------------------------------------------------------------------------
Country Code is required
Error While Saving the Project info
Smart Rule PROJECT_COUNTRYCODE_VAL Violated: Country Code is required
Error While Saving the Project
Then you can add your delimeter and concatenate them back up, using FOR XML PATH(''), TYPE
, and finally use STUFF
to remove the first delimeter:
SELECT STUFF(( SELECT ',' + n.value('.', 'VARCHAR(100)') AS parsedString
FROM #temp AS t
CROSS APPLY t.Response.nodes('/error/description2') r (n)
FOR XML PATH(''), TYPE
).value('.', 'VARCHAR(MAX)'), 1, 1, '') AS ParsedString;
FULL WORKING EXAMPLE
DECLARE @X XML = '<error>
<errorno>BL04002055</errorno>
<description>Smart Rule PROJECT_COUNTRYCODE_VAL Violated</description>
<description2>Country Code is required</description2>
<correction />
</error>
<error>
<errorno>BL01001973</errorno>
<description />
<description2>Error While Saving the Project info</description2>
<correction />
</error>
<error>
<errorno>Unable to Create Custom Object</errorno>
<description />
<description2>Smart Rule PROJECT_COUNTRYCODE_VAL Violated: Country Code is required
Error While Saving the Project info</description2>
<correction />
</error>';
SELECT STUFF(( SELECT ',' + n.value('.', 'VARCHAR(100)') AS parsedString
FROM (SELECT @X) AS t (Response)
CROSS APPLY t.Response.nodes('/error/description2') r (n)
FOR XML PATH(''), TYPE
).value('.', 'VARCHAR(MAX)'), 1, 1, '') AS ParsedString;
If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
Donate Us With