Re: Index usage problem on 8.3.3

Jeff Frost <jeff(at)frostconsultingllc(dot)com> writes:
> On Thu, 30 Oct 2008, Tom Lane wrote:
>>> Any idea why I don't see it on 8.3.4?
>>
>> I think it's more likely some small difference in your test conditions
>> than any real version-to-version difference. In particular I think the
>> "still see" test might be influenced by the ages of transactions running
>> concurrently.

> Interesting. This is on a test server which has no other concurrent
> transactions and it acts the same way after I stopped 8.3.4 and started up
> 8.3.3 again as it did before stopping 8.3.3 to bring up 8.3.4. Hrmm..I'm not
> sure that makes sense. So, I did the test with the sql script on 8.3.3, then
> shut down 8.3.3, started up 8.3.4 on the same data dir, ran the test
> successfully. Next I shut down 8.3.4 and started 8.3.3 and verified that the
> behavior was still the same on 8.3.3. I wonder what else I might be doing
> differently.

Huh. That does sound like it's a version-to-version difference.
There's nothing in the CVS log that seems related though. Are you
willing to post your test case?

regards, tom lane