Re: Question about StartLogicalReplication() error path

From: Andres Freund <andres(at)anarazel(dot)de>
To: Jeff Davis <pgsql(at)j-davis(dot)com>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Question about StartLogicalReplication() error path
Date: 2021-06-11 18:56:48
Message-ID: 20210611185648.t6dmsyfc3ox2egoi@alap3.anarazel.de
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On 2021-06-11 11:49:19 -0700, Jeff Davis wrote:
> All the client would have to do is "SELECT confirmed_flush_lsn FROM
> pg_replication_slots WHERE slot_name='myslot'", and compare it to the
> stored value.

That doesn't work as easily in older versions because there was no SQL
support in replication connections until PG 10...

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