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SQL 2000 and FOR XML

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Topic

waveform
Yak Posting Veteran

93 Posts

Posted - 2014-01-30 : 15:30:13

In SQL 2000, I have 2 tables, in a 1-to-many r/ship, like this:

A standard query to get Order and Item rows would be:


SELECT o.ordernumber, i.itemnumber, i.description
FROM SalesOrder o INNER JOIN Item i ON o.ordernumber = i.ordernumber

Which of course results in 1 row returned per Item.

However, I'd like to "flatten" the results, so there is 1 row returned *per SalesOrder*, with each Item row turned into a single XML string field.

For example, instead of this result:


ordernumber  itemnumber  description
-----------  ----------  -----------
     1           1       foo
     1           2       bar
     2           3       morefoo
etc

I'd like to get this result:


ordernumber  ItemXML
-----------  -------------------
     1       <row itemnumber="1" description="foo"/><row itemnumber="2" description="bar"/>
     2       <row itemnumber="3" description="morefoo"/>
etc

Can this be done in SQL 2000 using the FOR XML function?

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2014-01-31 : 07:53:24

Try


SELECT DISTINCT ordernumber,
(SELECT itemnumber, description FROM table WHERE ordernumber = t.ordernumber FOR XML RAW)
FROM table t

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http://visakhm.blogspot.com/
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waveform
Yak Posting Veteran

93 Posts

Posted - 2014-01-31 : 17:24:58

Thanks visakh, however when I try that format in Query Analyser, I get the error:

Server: Msg 170, Level 15, State 1, Line 2
Line 2: Incorrect syntax near 'XML'.

If I try the subquery on its own (with a valid WHERE clause, eg. "ordernumber = 1") it works ok.

I can't see a problem with your suggestion - do you know what the error means?

Edit: Here's a screenshot of a simple query on an existing table. First without the "FOR XML", then with it:

(with or without brackets around the WHERE clause, same result)

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