| From: | Jeff <threshar(at)torgo(dot)978(dot)org> |
|---|---|
| To: | Andrew Dunstan <andrew(at)dunslane(dot)net> |
| Cc: | Alex Hunsaker <badalex(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Jeff <threshar(at)threshar(dot)is-a-geek(dot)com>, pgsql-bugs(at)postgresql(dot)org |
| Subject: | Re: plperl & sort |
| Date: | 2008-11-05 14:16:26 |
| Message-ID: | 0398C703-6CF4-438A-810D-ACDBDAA7A146@torgo.978.org |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-bugs |
On Nov 4, 2008, at 4:43 PM, Andrew Dunstan wrote:
>
> OK, the first thing to note is that there is an easy workaround,
> which is to use a sort routine that doesn't need $a/$b. Example:
>
> create or replace function mysort() returns text language plperl
> as $f$
>
> my $sfunc = sub ($$) { $_[0] <=> $_[1] };
>
> my @vals = (5,3,4,2,7);
>
> return join(' ',sort $sfunc @vals);
>
> $f$;
>
Andrew for the win!
Thanks a lot!
I agree, a documentation note would be fine for this rather doing all
sorts of complicated perl trickery.
--
Jeff Trout <jeff(at)jefftrout(dot)com>
http://www.stuarthamm.net/
http://www.dellsmartexitin.com/
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Tom Lane | 2008-11-05 15:33:16 | Re: BUG #4510: memory leak with libpg.dll |
| Previous Message | Hiroshi Saito | 2008-11-05 14:06:10 | Re: [ODBC] Behavior change of FK info query |