On Thu, Jun 11, 2015 at 01:27:23PM -0400, Tom Lane wrote:
> Bruce Momjian <bruce@momjian.us> writes:
> > On Thu, Jun 11, 2015 at 05:16:07PM +1200, David Rowley wrote:
> >> Would you also be able to mention something about�f15821e and�d222585 ?
>
> > I am going to defer to Tom on that. I have added optimizer changes in
> > the past but he didn't feel it made sense unless there was some
> > user-visible change.
>
> I'd be inclined to document both of those. We mentioned outer join
> removal when it was first added, in 9.0, so making a significant
> improvement in it seems worthy of mention also. Both of these things
> are "user visible" to the extent that they affect EXPLAIN output.
>
> I'm not sure whether we need to document the semantic hazard that the
> second commit message worries about.
OK, I have added two items; applied patch attached.
--
Bruce Momjian <bruce@momjian.us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ Everyone has their own god. +
