Re: Add %r substitution for psql prompts to show recovery status

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Ian Barwick <ian(dot)barwick(at)2ndquadrant(dot)com>
Cc: "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Add %r substitution for psql prompts to show recovery status
Date: 2017-12-07 21:26:40
Message-ID: CA+TgmoZkyE_UXn5k6eSaxyXX+2UOzkoqSmLGmF_yMb2k+CMXrQ@mail.gmail.com
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On Wed, Dec 6, 2017 at 9:19 PM, Ian Barwick <ian(dot)barwick(at)2ndquadrant(dot)com> wrote:
> Note this substitution sends a "pg_is_in_recovery()" query to the server
> each time it's encountered; unless there's something I'm overlooking I
> think that's the only reliable way to determine current recovery status.

That seems kinda painful.

And what happens in an aborted transaction?

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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