Re: BUG #7890: wrong behaviour using pg_rotate_logfile() with parameter log_truncate_on_rotation = on

sari.thiele@usit.uio.no writes:
> ==> * this checks if the new file name is different from the old one.
> In my case it is still the same name and so the new log lines will be
> appended to the current file, not truncated like I expected.
> I think this is the wrong behaviour, what do you think?

No, that behavior is intentional.  Otherwise you'd lose log data
earlier than the configuration specifies.

            regards, tom lane