Re: primary_conninfo missing from pg_stat_wal_receiver

Fujii Masao <masao.fujii@gmail.com>

From: Fujii Masao <masao.fujii@gmail.com>
To: Michael Paquier <michael.paquier@gmail.com>
Cc: Alvaro Herrera <alvherre@2ndquadrant.com>, Stephen Frost <sfrost@snowman.net>, Tom Lane <tgl@sss.pgh.pa.us>, Tatsuo Ishii <ishii@postgresql.org>, Vik Fearing <vik@2ndquadrant.fr>, PostgreSQL mailing lists <pgsql-hackers@postgresql.org>
Date: 2016-06-30T13:17:10Z
Lists: pgsql-hackers
On Thu, Jun 30, 2016 at 10:12 PM, Michael Paquier
<michael.paquier@gmail.com> wrote:
> On Thu, Jun 30, 2016 at 9:41 PM, Alvaro Herrera
> <alvherre@2ndquadrant.com> wrote:
>> Fujii Masao wrote:
>>> On Thu, Jun 30, 2016 at 9:30 PM, Michael Paquier
>>> <michael.paquier@gmail.com> wrote:
>>> > On Thu, Jun 30, 2016 at 8:59 PM, Fujii Masao <masao.fujii@gmail.com> wrote:
>>
>>> >> ISTM that we will never be able to get out of this loop if walreceiver
>>> >> fails to connect to the master (e.g., password is wrong) after we enter
>>> >> this loop.
>>> >
>>> > Wouldn't it be cleaner to just return an error here instead of retrying?
>>>
>>> I prefer to return NULL. Now NULL is returned when walreceiver's pid is 0.
>>> We can just change this logic so that NULL is returned pid is 0 OR the
>>> flag is false.
>>
>> For the conninfo only, or for everything?
>
> All of them. If this connstr is not ready for display, the WAL
> receiver does not have a proper connection yet, so there is nothing
> worth showing anyway to the user.

+1

Regards,

-- 
Fujii Masao


Commits

  1. Add conninfo to pg_stat_wal_receiver

  2. Only show pg_stat_replication details to superusers