Re: Custom timestamp format in logs

On Sat, Dec 13, 2014 at 3:50 PM, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>
wrote:
>
> Hi all,
>
> This week, we heard about a user willing to use a custom timestamp
> format across a set of services to improve the debugability of the
> whole set, Postgres being one of them. Unfortunately datestyle does
> not take into account the logs. Would it be worth adding a new GUC
> able to control the timestamp format in the logs?
>
> We could still redirect the logs with syslog and have a custom
> timestamp format there, but in the case of this particular user syslog
> was a no-go. Looking at the code, timestamp format is now hardcoded in
> setup_formatted_log_time and setup_formatted_start_time when calling
> pg_strftime @ elog.c, so it doesn't seem to be much complicated to do.
>
> Opinions? This thread is here for that.
>

A separate GUC seems kind of weird. Wouldn't it be better with something
like %(format)t or such in the log_line_prefix itself in that case? That
could also be expanded to other parameters, should we need them?

--
Magnus Hagander
Me: http://www.hagander.net/
Work: http://www.redpill-linpro.com/