Re: DISTINCT ON

Greg Stark <gsstark@mit.edu> writes:
> On Wed, Nov 4, 2009 at 3:17 AM, Emmanuel Cecchet <manu@asterdata.com> wrote:
>> SELECT DISTINCT ON ('1'::varchar, �'1'::varchar) a FROM (SELECT 1 AS a) AS a
>> ORDER BY '1'::varchar, '1'::varchar, '2'::varchar;

> This sounds familiar.  What version of Postgres are you testing this on?

Presumably something before this bug
http://archives.postgresql.org/pgsql-sql/2008-07/msg00123.php
got fixed
http://archives.postgresql.org/pgsql-committers/2008-07/msg00341.php
        regards, tom lane