From: | Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com> |
---|---|
To: | Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr> |
Cc: | PostgreSQL Developers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: PATCH: numeric timestamp in log_line_prefix |
Date: | 2015-03-22 18:40:35 |
Message-ID: | 550F0CA3.7010309@2ndquadrant.com |
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Lists: | pgsql-hackers |
On 22.3.2015 16:58, Fabien COELHO wrote:
>
> About the feature: I find it is a good thing. It may help scripting over
> the logs, for instance to compute delays between events, whereas the
> full date-time-tz syntax is maybe nice but heavier to work with afterwards.
>
> In addition to the comments already made (typo in doc, padding...):
>
> + sprintf(timestamp_str, "%ld.%.03d",
> + tv.tv_sec, (int)(tv.tv_usec / 1000));
>
> I'm not sure that the "." in "%.03d" is useful. ISTM that it is used for
> floatting point formatting, but is not needed with integers.
It is needed for integers, because you need to make sure 1 millisecond
is formatted as .001 and not .1.
--
Tomas Vondra http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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