From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Michael Paquier <michael(at)paquier(dot)xyz>, pgsql-hackers(at)lists(dot)postgresql(dot)org |
Subject: | Re: Gripes about walsender command processing |
Date: | 2020-09-16 22:46:14 |
Message-ID: | 20200916224614.GA25522@alvherre.pgsql |
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Lists: | pgsql-hackers |
On 2020-Sep-16, Tom Lane wrote:
> Yeah, that works for me. It doesn't allow for having just one
> set_ps_display() call ahead of the switch, but that isn't that
> big a loss. We cannot merge the EndReplicationCommand calls to
> after the switch, because some of the cases don't want one here;
> so that partial duplication is inescapable.
Right.
> Note that your changes need to be backpatched into v13,
> because AFAICS this code is violating the FE/BE protocol
> right now --- it's just luck that libpq isn't moaning
> about extra CommandComplete messages. But I don't think
> we want to change the ps title behavior in v13 at this
> late date, so that part should be HEAD-only.
Ok, will do.
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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