Re: v10 pg_ctl compatibility

From: Andres Freund <andres(at)anarazel(dot)de>
To: Jeff Janes <jeff(dot)janes(at)gmail(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: v10 pg_ctl compatibility
Date: 2017-09-26 19:29:23
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On 2017-09-26 11:59:42 -0700, Jeff Janes wrote:
> Should the release notes have a compatibility entry about pg_ctl restart,
> being used against a running pre-10 server, no longer being able to detect
> when startup is complete?
> I don't know if cross-version use of pg_ctl restart was ever officially
> supported, but the current behavior is rather confusing (waiting for a long
> time, and then reporting failure, even though it started successfully).

I'm actually tempted to just make pg_ctl verify the right version of
postgres is being used. Maybe I'm missing something, but what's the
use-case for allowing it, and every couple releases have some breakage?


Andres Freund

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