On Tue, Apr 04, 2006 at 01:40:52AM -0400, Tom Lane wrote:
> Martijn van Oosterhout writes:
> > [ Q about reverse-sort opclasses ]
>
> > Well, if COLLATE support ever gets done, it'll fix this too and be SQL
> > compliant to boot.
>
> I keep having a nagging feeling that COLLATE is a completely
>
Martijn van Oosterhout writes:
> [ Q about reverse-sort opclasses ]
> Well, if COLLATE support ever gets done, it'll fix this too and be SQL
> compliant to boot.
I keep having a nagging feeling that COLLATE is a completely
inappropriate way to deal with reverse-sort semantics for non-textual
dat
On Mon, Apr 03, 2006 at 12:48:22PM -0400, Jim Nasby wrote:
> I believe he's talking about something like
>
> CREATE INDEX books__id_title ON books(id_book, title DESC);
>
> which of course we don't support. But you can define a custom set of
> operators that work backwards and use those to defi
On Mar 29, 2006, at 2:57 PM, Simon Riggs wrote:
On Wed, 2006-03-29 at 03:14 -0800, sylsau wrote:
I use PostgreSQL 8.1 and I would like create and index on a table's
field with a sort condition on this field.
For example, I have a table named books and I want create an index on
the fields title
On Wed, 2006-03-29 at 03:14 -0800, sylsau wrote:
> I use PostgreSQL 8.1 and I would like create and index on a table's
> field with a sort condition on this field.
> For example, I have a table named books and I want create an index on
> the fields title and id_book with an order by id_book descen