"Tomas Vondra" <tv(at)fuzzy(dot)cz> writes:
> Dne 5 Listopad 2014, 18:10, Tom Lane napsal(a):
>> For some reason there's over 1000 times more rows in andalertsmatch in
>> the 9.1.14 installation. I'm betting on a foulup somewhere in the data
>> dump/restore process.
> I'd bet that's mostly due to rescans in the merge join ...
Doh, I should have thought of that :-(. But still, the difference in
the number of final output rows is pretty compelling evidence that
it's not really the same data.
regards, tom lane