Please don't reply to messages to start new threads.
On Tue, Apr 20, 2004 at 10:20:05 -0400,
Chris Hoover <[EMAIL PROTECTED]> wrote:
> I need some help. I have a query that refuses to use the provided index and
> is always sequentially scanning causing me large performance headaches. Here
>
"Chris Hoover" <[EMAIL PROTECTED]> writes:
> Select *
> from table a
> where inv_num in (select inv_num from table b where )
> I'm running 7.3.4 on RedHat EL 2.1.
IN (SELECT) constructs pretty well suck in PG releases before 7.4.
Update, or consult the FAQ about rewriting into an EXISTS form.
I need some help. I have a query that refuses to use the provided index and
is always sequentially scanning causing me large performance headaches. Here
is the basic situation:
Table A:
inv_num int
typechar
.
.
.
pkey (inv_num, type)
indx(inv_num)
Table B (has the same primary key