Re: Enhance pg_stat_wal_receiver view to display connected host

Haribabu Kommi <kommi.haribabu@gmail.com>

From: Haribabu Kommi <kommi.haribabu@gmail.com>
To: Michael Paquier <michael.paquier@gmail.com>
Cc: Pg Hackers <pgsql-hackers@postgresql.org>
Date: 2017-12-22T04:11:07Z
Lists: pgsql-hackers

Attachments

On Thu, Dec 21, 2017 at 11:12 PM, Michael Paquier <michael.paquier@gmail.com
> wrote:

> On Thu, Dec 21, 2017 at 8:16 PM, Haribabu Kommi
> <kommi.haribabu@gmail.com> wrote:
> > The current connected host details are already available in the PGconn
> > structure,
> > Exposing those details in the view will suffice this requirement.
> Currently
> > these
> > members are characters pointers, I used them as it is and displayed them
> in
> > the
> > view as character arrays except the port number.
> >
> > Attached the draft patch. Any comments?
>
> I agree that it would be nice to have an equivalent to
> pg_stat_replication's client_addr, client_hostname, client_port on the
> receiver side, particularly because it is possible to list multiple
> hosts and ports. Could you add that to the next commit fest?
>

Added.


> Please note that you need to update rules.out and the documentation
> because of the new fields.
>

Updated patch attached with tests and doc changes.

Regards,
Hari Babu
Fujitsu Australia

Commits

  1. Enhance pg_stat_wal_receiver view to display host and port of sender server.

  2. Allow multiple hostaddrs to go with multiple hostnames.

  3. libpq: Fix inadvertent change in PQhost() behavior.

  4. libpq: Allow connection strings and URIs to specify multiple hosts.