On Thu, Jun 13, 2019 at 01:22:16PM -0400, Tom Lane wrote:
> Robert Haas writes:
> > The release notes say:
> >
> >
>
> >
> > Improve optimization of self-joins (Tom Lane)
> >
> >
>
> > I don't think that's an accurate summary of those two items. It's
> > t
David Rowley writes:
> On Fri, 14 Jun 2019 at 05:22, Tom Lane wrote:
>> Robert Haas writes:
>>> So I think that this should probably be changed to say something like
>>> "Improve optimization of self-joins on ctid columns" or "Improve
>>> optimization of joins involving columns of type tid."
>>
On Fri, 14 Jun 2019 at 05:22, Tom Lane wrote:
>
> Robert Haas writes:
> > So I think that this should probably be changed to say something like
> > "Improve optimization of self-joins on ctid columns" or "Improve
> > optimization of joins involving columns of type tid."
>
> The latter seems fine
Robert Haas writes:
> The release notes say:
>
>
>
> Improve optimization of self-joins (Tom Lane)
>
>
> I don't think that's an accurate summary of those two items. It's
> true that they could make self-joins more efficient, but my reading is
> that it wo
The release notes say:
Improve optimization of self-joins (Tom Lane)
I don't think that's an accurate summary of those two items. It's
true that they could make self-joins more efficient, but my reading is
that it would only do so if the self-join happened
