On Fri, Jun 10, 2005 at 01:45:05PM -0400, Clark Slater wrote:
> Hi-
>
> Would someone please enlighten me as
> to why I'm not seeing a faster execution
> time on the simple scenario below?
Because you need to extract a huge number of rows via a seqscan, sort
them and then throw them away, I think.
> explain analyze select * from test where productlistid=3 and typeid=9
> order by partnumber limit 15;
Create an index on (productlistid, typeid, partnumber) then
select * from test where productlistid=3 and typeid=9
order by productlistid, typeid, partnumber LIMIT 15;
?
Cheers,
Steve