| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | "Joel Jacobson" <joel(at)compiler(dot)org> |
| Cc: | "Chao Li" <li(dot)evan(dot)chao(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Optimize LISTEN/NOTIFY |
| Date: | 2025-11-25 20:17:28 |
| Message-ID: | 1459429.1764101848@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
"Joel Jacobson" <joel(at)compiler(dot)org> writes:
> It looks to me like it would be best with two boolean fields; one
> boolean to stage the updates during PreCommit_Notify, that each
> pendingActions could flip back and forth, and another boolean that
> represents the current value, which we would overwrite with the staged
> value during AtCommit_Notify.
+1, I had a feeling that a single boolean wouldn't quite do it.
(There are various ways we could define the states, but what
you say above seems pretty reasonable.)
regards, tom lane
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