On Jan 20, 2008 6:44 AM, Martijn van Oosterhout <kleptog@svana.org> wrote:
> On Sun, Jan 20, 2008 at 09:29:16AM -0200, Clodoaldo wrote:
> > Will "enable_hashagg" be settable(*) per query or only at server start/reload?
>
> The enable_* settings are per session, so you can disable hashagg just
> before the query and reenable it just after, or disable it for just
> that process/user/database whatever you like.
>
> I think the word you're looking for is "configurable".
And don't forget
alter {user|database} xyz set enable_hashagg={on|off};