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.

The good news is that making the indexes before the updates seems to make the planner happy!

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Jeff Frost, Owner       <[EMAIL PROTECTED]>
Frost Consulting, LLC   http://www.frostconsultingllc.com/
Phone: 916-647-6411     FAX: 916-405-4032

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