| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Peter Smith <smithpb2250(at)gmail(dot)com> |
| Cc: | "wangw(dot)fnst(at)fujitsu(dot)com" <wangw(dot)fnst(at)fujitsu(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Ashutosh Bapat <ashutosh(dot)bapat(dot)oss(at)gmail(dot)com>, "shiy(dot)fnst(at)fujitsu(dot)com" <shiy(dot)fnst(at)fujitsu(dot)com>, "houzj(dot)fnst(at)fujitsu(dot)com" <houzj(dot)fnst(at)fujitsu(dot)com>, Fabrice Chapuis <fabrice636861(at)gmail(dot)com>, Euler Taveira <euler(at)eulerto(dot)com>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, "Hayato Kuroda (Fujitsu)" <kuroda(dot)hayato(at)fujitsu(dot)com>, Petr Jelinek <petr(dot)jelinek(at)enterprisedb(dot)com>, "tanghy(dot)fnst(at)fujitsu(dot)com" <tanghy(dot)fnst(at)fujitsu(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Ajin Cherian <itsajin(at)gmail(dot)com> |
| Subject: | Re: Rework LogicalOutputPluginWriterUpdateProgress |
| Date: | 2023-03-03 00:37:32 |
| Message-ID: | 20230303003732.7f3ff4faxxhaag64@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
Hi,
On 2023-03-03 11:18:04 +1100, Peter Smith wrote:
> - Why is reducing members of LogicalDecodingContext even a goal? I
> thought the LogicalDecodingContext is intended to be the one-stop
> place to hold *all* things related to the "Context" (including that
> member that was deleted).
There's not really a reason to keep it in LogicalDecodingContext after
this change. It was only needed there because of the broken
architectural model of calling UpdateProgress from within output
plugins. Why set a field in each wrapper that we don't need?
> - How is reducing one member better than introducing one new parameter
> in multiple calls?
Reducing the member isn't important, needing to set it before each
callback however makes sense.
Greetings,
Andres Freund
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