Re: getting the ranks of items

From: merlyn(at)stonehenge(dot)com (Randal L(dot) Schwartz)
To: hf1122x(at)protecting(dot)net
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: getting the ranks of items
Date: 2005-05-04 11:50:54
Message-ID: 86u0ljp5up.fsf@blue.stonehenge.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-general

>>>>> "Harald" == Harald Fuchs <use_reply_to(at)protecting(dot)net> writes:

Harald> Using a temporary sequence for that would avoid naming conflicts.

>> P.S. I'm sure you can wrap it in plperl stored procedure :)

Well, yes. I was (falsely?) recalling that there was a pure SQL way
to do this though.

And the point of doing it as part of the (sub)query is that I was then
going to do a further join and select on this.

Harald> Yes, prepending the ranking column in the application would be
Harald> more efficient. I wonder whether Randall knows Perl? ;-)

If not, I'm sure I could dig up a couple of books to learn it. :)

--
Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095
<merlyn(at)stonehenge(dot)com> <URL:http://www.stonehenge.com/merlyn/>
Perl/Unix/security consulting, Technical writing, Comedy, etc. etc.
See PerlTraining.Stonehenge.com for onsite and open-enrollment Perl training!

In response to

Responses

Browse pgsql-general by date

  From Date Subject
Next Message Hegyvari Krisztian 2005-05-04 11:55:35 Re: Rekall for Debian ?
Previous Message Richard Huxton 2005-05-04 11:43:17 Re: remote tcp connection problem PG 8.0.1