W dniu 04/26/2013 12:25 AM, Merlin Moncure pisze:
> On Thu, Apr 25, 2013 at 1:30 PM, Rafał Pietrak <rafal@zorro.isa-geek.com> wrote:
[----------------------]
>>
>> No, I don't (manual:
>> http://www.postgresql.org/docs/9.1/static/tutorial-window.html, have just
>> one word "distinct" on that page, and it's not in the above context). And I
>> cannot duplicate the above:
>> --------------------------------------------
>> # select array_agg(distinct v order by v desc) from (select
>> generate_series(1,3) v union all select generate_series(1,3)) q;
>> ERROR: syntax error at or near "order"
>> LINE 1: select array_agg(distinct v order by v desc) from (select ge...
>> --------------------------------------------
>>
>> Did I miss something??
> This feature was added w/9.0. This means you are on 8.4. Time to upgrade...
Yes, true. I kind of postpone that until debian-wheeze gets released as
stable.
But what about the postgres documentation. I haven't found that feature
in postgres-v9.1 docs (link above). Where can I read about it?
-R