| From: | Richard Guo <guofenglinux(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Peter Eisentraut <peter(at)eisentraut(dot)org>, David Rowley <dgrowleyml(at)gmail(dot)com>, Tender Wang <tndrwang(at)gmail(dot)com>, Pg Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Reduce "Var IS [NOT] NULL" quals during constant folding |
| Date: | 2025-07-22 02:55:14 |
| Message-ID: | CAMbWs4-+tm=ueQ71QLvzigUntYSUF1WDVNeCHP_QS5YCRoM4YA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Jul 16, 2025 at 10:57 AM Richard Guo <guofenglinux(at)gmail(dot)com> wrote:
> On Wed, Jul 9, 2025 at 3:32 PM Richard Guo <guofenglinux(at)gmail(dot)com> wrote:
> > Here is a new rebase. I moved the call to preprocess_relation_rtes to
> > a later point within convert_EXISTS_sublink_to_join, so we can avoid
> > the work if it turns out that the EXISTS SubLink cannot be flattened.
> > Nothing essential has changed.
> >
> > The NOT-IN pullup work depends on the changes in this patchset (it
> > also relies on the not-null information), so I'd like to move it
> > forward.
> >
> > Hi Tom, Robert -- just to be sure, are you planning to take another
> > look at it?
> I'm aiming to push this patchset next week, barring any objections.
Hearing nothing, I've gone ahead and pushed the patchset. Thanks for
all the reviews and discussion.
Thanks
Richard
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