Auotreconnect/failover libpq

Started by Marcin Giedzover 9 years ago2 messagesgeneral
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#1Marcin Giedz
marcin.giedz@arise.pl

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 ?

Thx
Marcin

#2Shulgin, Oleksandr
oleksandr.shulgin@zalando.de
In reply to: Marcin Giedz (#1)
Re: Auotreconnect/failover libpq

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