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Gregory Stark wrote:
> "Evan Carroll" <lists@evancarroll.com> writes:
>
> "Evan Carroll" <lists@evancarroll.com> writes:
>
>> Dearest dragon hunters and mortal wanna-bes,
>>
>> I recently upgraded a system from Apache2/mod_perl2 to
>> Lighttpd/fastcgi. The upgrade went about as rough as can be. While in
>> the midst of a bad day, I decided to make it worse, and upgrade Pg 8.1
>> to 8.2. Most people I talk to seem to think 8.1 was a lemon release;
>> not I. It worked excellent for me for the longest time, and I had no
>> good reason to upgrade it, other than to just have done so.
>
> I assume you mean 8.1.9 and 8.2.4?
>
>> The following material is provided for your assisting-me-pleasure: the
>> original SQL; the \ds for all pertinent views and tables; the output
>> of Explain Analyze; and the original query.
>
> While I do in fact enjoy analyzing query plans I have to say that 75-line
> plans push the bounds of my assisting-you-pleasure. Have you experimented with
> simplifying this query?
Although simplifying the query is probably in order, doesn't it stand to
reason that there may be a problem here. 10x difference (in the worse)
from a lower version to a higher, is likely wrong :)
Joshua D. Drake
>
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