| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | David Steele <david(at)pgmasters(dot)net> |
| Cc: | David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>, "Li, Zheng" <zhelli(at)amazon(dot)com>, "Finnerty, Jim" <jfinnert(at)amazon(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: NOT IN subquery optimization |
| Date: | 2019-03-05 14:37:55 |
| Message-ID: | 17971.1551796675@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
David Steele <david(at)pgmasters(dot)net> writes:
> I'm not sure if I have an issue with competing patches on the same
> thread. I've seen that before and it can lead to a good outcome. It
> case, as you say, also lead to confusion.
It's a bit of a shame that the cfbot will only be testing one of them
at a time if we leave it like this. I kind of lean towards the
two-thread, two-CF-entry approach because of that. The amount of
confusion is a constant.
regards, tom lane
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