On Thu, Aug 11, 2016 at 01:04:19PM +0300, Aleksander Alekseev wrote:
> Hello.
>
> Suggested patch introduces an %r substitution in psql's prompt. This
> substitution allows to display whether user is connected to master or
> replica right in a prompt.
This is a neat idea, but there are some issues.
- There's a new GUC. This is probably not compelling enough a feature for that.
- The check, if I understand correctly, is only done on connect, even though it could change during a session.
How about something that:
- Allowed setting a query to be executed after each command.
- Put the results of that query into a psql variable.
This differs from \gset in that it would be executed silently at the
end of each command.
What say?
Best,
David.
--
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