Re: Keep notnullattrs in RelOptInfo (Was part of UniqueKey patch series)
От | Andy Fan |
---|---|
Тема | Re: Keep notnullattrs in RelOptInfo (Was part of UniqueKey patch series) |
Дата | |
Msg-id | CAKU4AWoH2gLyK-ot7-YuXKbxmAWGoVsqGonH6e2noXM7Uib=6w@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Keep notnullattrs in RelOptInfo (Was part of UniqueKey patch series) (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: Keep notnullattrs in RelOptInfo (Was part of UniqueKey patch series)
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Список | pgsql-hackers |
On Tue, Jul 6, 2021 at 9:14 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
David Rowley <dgrowleyml@gmail.com> writes:
> Tom, I'm wondering if you might get a chance to draw up a design for
> what you've got in mind with this? I assume adding a new field in
> Var, but I'm drawing a few blanks on how things might work for equal()
> when one Var has the field set and another does not.
As I said before, it hasn't progressed much past the handwaving stage,
but it does seem like it's time to get it done. I doubt I'll have any
cycles for it during the commitfest, but maybe I can devote a block of
time during August.
regards, tom lane
Looking forward to watching this change closely, thank you both David and Tom!
But I still don't understand what the faults my way have , do you mind telling the
details?
Best Regards
Andy Fan (https://www.aliyun.com/)
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