On Tue, Jul 26, 2011 at 3:25 PM, Simon Riggs <simon@2ndquadrant.com> wrote:
> On Tue, Jul 26, 2011 at 8:11 PM, Robert Haas <robertmhaas@gmail.com> wrote:
>> It wouldn't, although it might be bad in the case where there are lots
>> of temp tables being created and dropped.
>
> Do temp tables cause relcache invalidations?
>
> That seems like something we'd want to change in itself.
I agree. Unfortunately, I think it's a non-trivial fix.
I've also been wondering if we could avoid taking an
AccessExclusiveLock on a newly created (temporary?) table. It seems
like no one should be able to see it until commit, at which point we'd
be releasing the lock anyway.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
