On 8/11/16 6:04 AM, Aleksander Alekseev wrote:
> 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.

In the near future, there will (probably) be a lot more variants about
what it means to be a master or a replica.  There will be logical
replication, where you could be a publisher of something and a consumer
of something else.  You could even be a logical consumer but a physical
master.  So a global binary facility is probably not very forward
looking and will lead to confusion.

Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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