On Mon, May 8, 2023 at 10:30 AM Richard Guo wrote:
> I'd like to devise a test query that shows performance gain from this
> patch, but I'm not sure how to do that. May need help here.
>
I've been trying for some time but still haven't been able to come up
with a test case that shows the perfor
On Thu, May 4, 2023 at 4:07 PM Richard Guo wrote:
> When working on the improper qual pushdown issue [1], there is a need in
> the proposed fix to avoid scanning all the SpecialJoinInfos, since that
> is too expensive. I think this might be a common requirement. In the
> current codes there are
When working on the improper qual pushdown issue [1], there is a need in
the proposed fix to avoid scanning all the SpecialJoinInfos, since that
is too expensive. I think this might be a common requirement. In the
current codes there are several places where we need to scan all the
SpecialJoinInf