On Thu, Jun 9, 2011 at 2:19 PM, Peter Eisentraut <peter_e@gmx.net> wrote:
> On tor, 2011-06-09 at 13:30 -0400, Bruce Momjian wrote:
>> Column numbers in ORDER BY is ANSI syntax so I don't think calling
>> them "legacy" is accurate. =A0"limited functionality"?
>
> It was in SQL 92, but removed in 99, so it's technically no longer part
> of the standard.
It's still extremely widely used though, I think, and very useful. I
don't feel we have to support GROUP BY 1 COLLATE whatever, but it
might be worth the trouble to at least emit a decent HINT.
--=20
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
