Simon Riggs wrote:
> On Thu, 2008-09-18 at 09:23 +0300, Heikki Linnakangas wrote:
>> Tom Lane wrote:
>>> Alvaro Herrera <alvherre@commandprompt.com> writes:
>>>> BTW in testing this patch I was surprised by the fact that temp tables
>>>> files are removed at checkpoint time,
>>> [ blink... ] Doesn't look like that should happen. What is your
>>> test case?
>> Hmph, must be because of the patch from last winter to prevent
>> relfilenode reuse until next checkpoint. Looks like we didn't make an
>> exception for temporary tables. Although it's harmless...
>
> An unfortunate choice of words! Harmless is not how your average DBA
> would describe it when their disk fills and they are apparently unable
> to reduce space consumption. So there is still a problem there even if
> we fix the temp files portion of it.
The files *are* truncated to zero bytes immediately. They're left
hanging as empty files until next checkpoint.
-- Heikki Linnakangas EnterpriseDB http://www.enterprisedb.com
