Re: Function and view to retrieve WAL receiver status

From: Gurjeet Singh <singh(dot)gurjeet(at)gmail(dot)com>
To: Michael Paquier <michael(dot)paquier(at)gmail(dot)com>
Cc: Postgres Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Function and view to retrieve WAL receiver status
Date: 2015-12-14 06:09:41
Message-ID: CABwTF4Wije7E5Kt0yC6bjnLf=sBoJGh+iMWe7f12qPi3+TpMdg@mail.gmail.com
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On Dec 13, 2015 9:56 PM, "Michael Paquier" <michael(dot)paquier(at)gmail(dot)com>
wrote:

>
> If the node has no WAL receiver active, a tuple with NULL values is
> returned instead.

IMO, in the absence of a WAL receiver the SRF (and the view) should not
return any rows.

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