Re: Function to move the position of a replication slot

From: Andres Freund <andres(at)anarazel(dot)de>
To: Michael Paquier <michael(dot)paquier(at)gmail(dot)com>
Cc: Magnus Hagander <magnus(at)hagander(dot)net>, Craig Ringer <craig(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Function to move the position of a replication slot
Date: 2017-09-05 02:51:48
Message-ID: 20170905025148.6tneoeoppxo246qk@alap3.anarazel.de
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On 2017-09-05 11:36:47 +0900, Michael Paquier wrote:
> On Thu, Aug 31, 2017 at 9:19 PM, Magnus Hagander <magnus(at)hagander(dot)net> wrote:
> > PFA an updated and rebased patch.
> >
> > Rebased. Now named pg_advance_replication_slot. ERROR on logical slots.
> > Forward only.
> >
> > I think that, in the end, covered all the comments?
>
> + if (backwards)
> + ereport(WARNING,
> + (errmsg("Not moving replication slot backwards!")));
> Shouldn't this be an ERROR, mentioning the current position of the slot?
>
> + ereport(ERROR,
> + (errmsg("Only physical replication slots can be advanced.")));
> ERRCODE_FEATURE_NOT_SUPPORTED, no?

Seither of these seem to follow the message guidelines.

Greetings,

Andres Freund

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