On Sat, Mar 21, 2015 at 4:47 PM, Tomas Vondra <tomas.von...@2ndquadrant.com> wrote:
> Hi, > > from time to time I need to correlate PostgreSQL logs to other logs, > containing numeric timestamps - a prime example of that is pgbench. With > %t and %m that's not quite trivial, because of timezones etc. > > I propose adding two new log_line_prefix escape sequences - %T and %M, > doing the same thing as %t and %m, but formatting the value as a number. > > Patch attached, I'll add it to CF 2015-06. > I've wanted this before as well. But what is the point of %T? Does printing the milliseconds cause some kind of detectable performance hit? I don't think I've ever thought myself "You know, I really wish I hadn't included the milliseconds in that timestamp". Same question for %t, but that ship has already sailed. Cheers, Jeff