Re: pg_receivexlog and replication slots

From: Andres Freund <andres(at)2ndquadrant(dot)com>
To: Michael Paquier <michael(dot)paquier(at)gmail(dot)com>
Cc: furuyao(at)pm(dot)nttdata(dot)co(dot)jp, Magnus Hagander <magnus(at)hagander(dot)net>, PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: pg_receivexlog and replication slots
Date: 2014-08-19 08:52:14
Message-ID: 20140819085214.GB11993@awork2.anarazel.de
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On 2014-08-18 14:38:06 +0900, Michael Paquier wrote:
> - IDENTIFY_SYSTEM checks were incorrect (even in HEAD). The following
> check was done but in 9.4 this command returns 4 fields:
> (PQntuples(res) != 1 || PQnfields(res) < 3)

Which is correct. We don't want to error out in the case where 3 columns
are returned because that'd unnecessarily break compatibility with <
9.4. Previously that check was != 3...

This isn't a bug.

Greetings,

Andres Freund

--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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