On Sat, Aug 24, 2002 at 08:18:25PM +0500, Timur wrote:
> Hello!
>
> I am new to PostgreSQL and databases in general, and I have this
> question: why it is not possible to specify ordering when creating an
> index?
>
> Let's say I have a query which looks like this:
> SELECT * FROM table1
> ORDER BY field1, field2 DESC
> LIMIT 100;
>
> Apparently, system won't use index ON (field1, field2) ..
It will if you do:
SELECT * FROM table1
ORDER BY field1 DESC, field2 DESC
LIMIT 100;
Time to go read that SQL book again?
--
Martijn van Oosterhout <kleptog(at)svana(dot)org> http://svana.org/kleptog/
> There are 10 kinds of people in the world, those that can do binary
> arithmetic and those that can't.