| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
| Cc: | Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Nikhil Sontakke <nikhils(at)2ndquadrant(dot)com>, Craig Ringer <craig(at)2ndquadrant(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Petr Jelinek <petr(dot)jelinek(at)2ndquadrant(dot)com>, Sokolov Yura <y(dot)sokolov(at)postgrespro(dot)ru>, Stas Kelvich <s(dot)kelvich(at)postgrespro(dot)ru>, Dmitry Dolgov <9erthalion6(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Robert Haas <robertmhaas(at)gmail(dot)com> |
| Subject: | Re: [HACKERS] logical decoding of two-phase transactions |
| Date: | 2018-04-02 18:04:51 |
| Message-ID: | 20180402180451.ip3uuvadhgxjvefo@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
On 2018-04-02 09:23:10 +0100, Simon Riggs wrote:
> On 29 March 2018 at 23:24, Andres Freund <andres(at)anarazel(dot)de> wrote:
>
> >> I agree with the former, of course - docs are a must. I disagree with
> >> the latter, though - there have been about no proposals how to do it
> >> without the locking. If there are, I'd like to hear about it.
> >
> > I don't care. Either another solution needs to be found, or the locking
> > needs to be automatically performed when necessary.
>
> That seems unreasonable.
> It's certainly a nice future goal to have it all happen automatically,
> but we don't know what the plugin will do.
No, fighting too complicated APIs is not unreasonable. And we've found
an alternative.
> How can we ever make an unknown task happen automatically? We can't.
The task isn't unknown, so this just seems like a non sequitur.
Greetings,
Andres Freund
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