Alvaro Herrera <alvherre@commandprompt.com> writes:
> Tom Lane wrote:
>> Just noticed that TRUNCATE fails to clear the stats collector's counts
>> for the table. I am not sure if it should reset the event counts or
>> not (any thoughts?) but surely it is wrong to not zero the live/dead
>> tuple counts.
> Agreed, the live/dead counters should be reset. Regarding event counts,
> my take is that we should have a separate statement count for truncate
> (obviously not a tuple count), and the others should be left alone.
I thought some more about how to do it, and stumbled over how to cope
with TRUNCATE being rolled back. That nixed my first idea of just
having TRUNCATE send a zero-the-counters-now message.
regards, tom lane