Re: Adding error message "source"

Magnus Hagander <magnus@hagander.net> writes:
> On Thu, Aug 6, 2009 at 16:33, Tom Lane<tgl@sss.pgh.pa.us> wrote:
>> I don't think there'd be much logical difficulty in having an output
>> field (ie, CSV column or log_line_prefix escape) that represents a
>> classification of the PID, say as "postmaster, backend, AV worker,
>> AV launcher, bgwriter, ...". �It would only require changing things
>> in one place, whereas your original proposal seemed mighty open-ended.

> Good point. That *would* probably take care of much of the need. The
> downside is aggressive filtering that way would get rid of important
> messages coming out of a single backend, like out of disk space.
> Meaning it would still not be possible to filter on the difference
> between ERROR: syntax error in query and ERROR: out of disk space? But
> it'd be an improvement still.

Hmm, well, what about filtering on the SQLSTATE?  You could do that
today.  A category-level filter would probably serve pretty well.
        regards, tom lane