Re: Enhance pg_stat_wal_receiver view to display connected host

Fujii Masao <masao.fujii@gmail.com>

From: Fujii Masao <masao.fujii@gmail.com>
To: Michael Paquier <michael@paquier.xyz>
Cc: Haribabu Kommi <kommi.haribabu@gmail.com>, Michael Paquier <michael.paquier@gmail.com>, Pg Hackers <pgsql-hackers@postgresql.org>, Alvaro Herrera <alvherre@alvh.no-ip.org>
Date: 2018-03-30T23:08:28Z
Lists: pgsql-hackers
On Fri, Mar 30, 2018 at 9:34 AM, Michael Paquier <michael@paquier.xyz> wrote:
> On Fri, Mar 30, 2018 at 10:52:02AM +1100, Haribabu Kommi wrote:
>> On Fri, Mar 30, 2018 at 7:26 AM, Fujii Masao <masao.fujii@gmail.com> wrote:
>>> @@ -753,4 +753,6 @@ CREATE VIEW pg_stat_wal_receiver AS
>>>              s.latest_end_time,
>>>              s.slot_name,
>>> +            s.remote_server,
>>> +            s.remote_port,
>>>
>>> As the column names, aren't sender_host and sender_port more intuitive
>>> rather than remote_server and remote_port?
>>
>> OK. Changed accordingly.
>
> No problems with those names.
>
> +       ret = PQhost(conn->streamConn);
> +       if (ret && (strcmp(ret,"") != 0))
> +               *sender_host = pstrdup(ret);
> The code tends to use more strlen to check for empty strings,
> particularly libpq.  A small nit it is.

Ok, updated the patch so strlen is used.

I pushed the patch. Many thanks to Haribabu and Michael!

Regards,

-- 
Fujii Masao


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.