On Tue, Apr 16, 2013 at 02:37:33PM +0100, Simon Riggs wrote:
> On 16 April 2013 13:57, Heikki Linnakangas <hlinnakangas@vmware.com> wrote:
>
> > You still need to check the args, if the function is nextval, otherwise you
> > incorrectly perform the optimization for something like
> > "nextval(myvolatilefunc())".
>
> Guess so. At least its an easy change.
I found Simon's nextval()/COPY timings without this patch sobering. I
assume he can apply this for 9.3, right? I believe it is a fix for a
new 9.3 feature.
-- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB
http://enterprisedb.com
+ It's impossible for everything to be true. +