On Thu, Mar 5, 2009 at 12:27 PM, <darren@ontrenet.com> wrote:
> Have you tried using "group by"?
Thanks, but that doesn't do it. If I group by ID I loose the CAT,
group by CAT I loose the ID, group by bith and that's just the base
table. Am I missing something?
Regards,
Rich
>> Hello pgsql listers,
>>
>> I've got a problem that is similar to, but I don't think identical to,
>> a cross tab query. My data looks like:
>> ID | CAT
>> 1 | A
>> 1 | B
>> 2 | A
>> 2 | C
>> So for each ID there may be many CAT (categories).
>> The client wants it to look like:
>> ID | CATS
>> 1 | A,B
>> 2 | A,C
>> Where each ID is unique in the results, and the CAT values are
>> concatenated with a comma separator.
>>
>> There are about 100 unique CAT values. They only way I can see to do
>> it is programatically with a for loop. But before I do that I wanted
>> to bounce it off the fine minds that inhabit this list.
>>
>> Thanks,
>> Rich
>>
>> --
>> Richard Greenwood
>> richard.greenwood@gmail.com
>> www.greenwoodmap.com
>>
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>
>
--
Richard Greenwood
richard.greenwood@gmail.com
www.greenwoodmap.com
