Re: Non-reserved replication slots and slot advancing

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>, pgsql-hackers(at)postgresql(dot)org, petr(at)2ndquadrant(dot)com, simon(at)2ndQuadrant(dot)com
Subject: Re: Non-reserved replication slots and slot advancing
Date: 2018-07-10 08:29:32
Message-ID: 20180710082932.GM1661@paquier.xyz
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On Tue, Jul 10, 2018 at 01:16:30AM -0700, Andres Freund wrote:
> On 2018-07-10 16:59:07 +0900, Michael Paquier wrote:
> > if (moveto < minlsn)
> > - {
> > - ReplicationSlotRelease();
> > ereport(ERROR,
> > (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
> > - errmsg("cannot move slot to %X/%X, minimum is %X/%X",
> > + errmsg("cannot advance replication slot to %X/%X, minimum is %X/%X",
> > (uint32) (moveto >> 32), (uint32) moveto,
> > (uint32) (minlsn >> 32), (uint32) minlsn)));
> > - }
>
> If you're touching this, I'd also change the errcode here.

Yep, let's change that as well. If you want to look at that stuff more
deeply, please feel free. Otherwise I could always push what I have
now.
--
Michael

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