I wrote:
> Alvaro Herrera <alvherre@commandprompt.com> writes:
>> Regarding temp tables, I'd think that the pgstat entries should be
>> getting dropped at some point in both releases. Maybe there's a bug
>> preventing that in 8.2?
> Hmmm ... I did rewrite the backend-side code for that just recently for
> performance reasons ... could I have broken it?
I did some testing with HEAD and verified that pgstat_vacuum_tabstat()
still seems to do what it's supposed to, so that theory falls down.
Alvaro, could you send Benjamin your stat-file-dumper tool so we can
get some more info? Alternatively, if Benjamin wants to send me a copy
of his stats file (off-list), I'd be happy to take a look.
regards, tom lane