Re: Keep notnullattrs in RelOptInfo (Was part of UniqueKey patch series) - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Keep notnullattrs in RelOptInfo (Was part of UniqueKey patch series)
Date
Msg-id 1664320.1625577290@sss.pgh.pa.us
Whole thread Raw
In response to Re: Keep notnullattrs in RelOptInfo (Was part of UniqueKey patch series)  (David Rowley <dgrowleyml@gmail.com>)
Responses Re: Keep notnullattrs in RelOptInfo (Was part of UniqueKey patch series)  (Andy Fan <zhihui.fan1213@gmail.com>)
Re: Keep notnullattrs in RelOptInfo (Was part of UniqueKey patch series)  (Andy Fan <zhihui.fan1213@gmail.com>)
List pgsql-hackers
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



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