From: Stephen Frost <sfrost@snowman.net>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Cc: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: imai.yoshikazu@fujitsu.com <imai.yoshikazu@fujitsu.com>
Cc: Euler Taveira <euler@timbira.com.br>
Cc: Andrew Gierth <andrew@tao11.riddles.org.uk>
Cc: Justin Pryzby <pryzby@telsasoft.com>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Subject: Re: v12 and pg_restore -f-
Date: Tue, 5 Nov 2019 10:00:35 -0500
Message-ID: <20191105150035.GN6962@tamriel.snowman.net> (raw)
In-Reply-To: <8586.1572965160@sss.pgh.pa.us>
References: <20191104145336.GA23924@alvherre.pgsql>
<5e124b1d-bd8f-0659-1088-4952464223bc@2ndquadrant.com>
<20191105141132.GK6962@tamriel.snowman.net>
<7897.1572964109@sss.pgh.pa.us>
<20191105143812.GM6962@tamriel.snowman.net>
<8586.1572965160@sss.pgh.pa.us>
Greetings,
* Tom Lane (tgl@sss.pgh.pa.us) wrote:
> Stephen Frost <sfrost@snowman.net> writes:
> > * Tom Lane (tgl@sss.pgh.pa.us) wrote:
> >> In this case, not in the least: we would simply be imposing the sort
> >> of *orderly* feature introduction that I thought was the plan from
> >> the very beginning [1]. That is, first make "-f -" available, and
> >> make it required only in some later version. If we'd back-patched
> >> the optional feature back in April, it might've been okay to require
> >> it in v12, but we failed to provide any transition period.
>
> > ... just like we didn't provide any transistion period for the
> > recovery.conf changes.
>
> Sure, because there wasn't any practical way to provide a transition
> period. I think that case is entirely not comparable to this one,
> either as to whether a transition period is possible, or as to whether
> the benefits of the change merit forced breakage.
We didn't put any effort into trying to provide a transition period, and
for good reason- everyone gets 5 years of transition time. I'd be just
as happy to not even commit the change to make -f- go to stdout in the
back-branches, if I didn't feel that the behavior of it going to a file
called ./- was really just an outright bug in the first place.
Thanks,
Stephen
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To: pgsql-general@postgresql.org
Cc: sfrost@snowman.net, tgl@sss.pgh.pa.us, peter.eisentraut@2ndquadrant.com, alvherre@2ndquadrant.com, imai.yoshikazu@fujitsu.com, euler@timbira.com.br, andrew@tao11.riddles.org.uk, pryzby@telsasoft.com, pgsql-hackers@lists.postgresql.org
Subject: Re: v12 and pg_restore -f-
In-Reply-To: <20191105150035.GN6962@tamriel.snowman.net>
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