Re: Auotreconnect/failover libpq - Mailing list pgsql-general

From Oleksandr Shulgin
Subject Re: Auotreconnect/failover libpq
Date
Msg-id CACACo5S=2w0Xf7Qw3jYJcBKoP1BYVn9D31F6B_xor_wF6UqFYA@mail.gmail.com
Whole thread Raw
In response to Auotreconnect/failover libpq  (Marcin Giedz <marcin.giedz@arise.pl>)
List pgsql-general
On Fri, Oct 28, 2016 at 10:08 AM, Marcin Giedz <marcin.giedz@arise.pl> wrote:
>
> Hello,
>
> This time question about client's autoreconnect (failover to the same node) after disconnection. Let's assume I've got 1 node SQL server and clients connected to this machine. Is there any native autoreconnect method in libpq (client's software uses libpq C++) - something like SELECT 1 or other options available for clients to (re)establish connection to the server again after they loose it ? or I need to implement this myself ?

Hi,

PQreset might be the interface you are looking for: https://www.postgresql.org/docs/current/static/libpq-connect.html#LIBPQ-PQRESET

This is how psql handles re-connection when its current connection gets closed in an interactive session.

--
Alex

pgsql-general by date:

Previous
From: Marcin Giedz
Date:
Subject: Auotreconnect/failover libpq
Next
From: Michael Banck
Date:
Subject: Fast Primary shutdown only after wal_sender_timeout