On Mon, 2005-03-10 at 12:28 -0400, Qingqing Zhou wrote:
> Ooops, this wording change is inconsistent with Log_connections, so I
> reverted it. Updated patch is attached.
Other inconsistencies:
- the patch prints a trailing comma when remote->port is the empty
string
- the patch separates the elements of the ereport() line with commas,
whereas the original behavior was to use a single space as a separator
- the original behavior was to prefix the session time with "session
time:"; the patch changed this to "session time="
The latter two changes aren't necessarily incorrect, but I reverted them
anyway, for the sake of consistency with log_connections.
A revised patch is attached -- I've applied it to HEAD.
-Neil
Index: src/backend/tcop/postgres.c
===================================================================
RCS file: /home/neilc/postgres/cvs_root/pgsql/src/backend/tcop/postgres.c,v
retrieving revision 1.463
diff -c -r1.463 postgres.c
*** src/backend/tcop/postgres.c 26 Sep 2005 15:51:12 -0000 1.463
--- src/backend/tcop/postgres.c 5 Oct 2005 23:42:23 -0000
***************
*** 3526,3554 ****
static void
log_disconnections(int code, Datum arg)
{
! Port *port = MyProcPort;
! struct timeval end;
! int hours,
! minutes,
! seconds;
- char session_time[20];
- char uname[6 + NAMEDATALEN];
- char dbname[10 + NAMEDATALEN];
- char remote_host[7 + NI_MAXHOST];
- char remote_port[7 + NI_MAXSERV];
-
- snprintf(uname, sizeof(uname), " user=%s", port->user_name);
- snprintf(dbname, sizeof(dbname), " database=%s", port->database_name);
- snprintf(remote_host, sizeof(remote_host), " host=%s",
- port->remote_host);
- if (port->remote_port[0])
- snprintf(remote_port, sizeof(remote_port), " port=%s", port->remote_port);
- else
- remote_port[0] = '\0';
-
gettimeofday(&end, NULL);
-
if (end.tv_usec < port->session_start.tv_usec)
{
end.tv_sec--;
--- 3526,3538 ----
static void
log_disconnections(int code, Datum arg)
{
! Port *port = MyProcPort;
! struct timeval end;
! int hours,
! minutes,
! seconds;
gettimeofday(&end, NULL);
if (end.tv_usec < port->session_start.tv_usec)
{
end.tv_sec--;
***************
*** 3557,3584 ****
end.tv_sec -= port->session_start.tv_sec;
end.tv_usec -= port->session_start.tv_usec;
hours = end.tv_sec / SECS_PER_HOUR;
end.tv_sec %= SECS_PER_HOUR;
minutes = end.tv_sec / SECS_PER_MINUTE;
seconds = end.tv_sec % SECS_PER_MINUTE;
! /* if time has gone backwards for some reason say so, or print time */
!
! if (end.tv_sec < 0)
! snprintf(session_time, sizeof(session_time), "negative!");
! else
!
! /*
! * for stricter accuracy here we could round - this is close
! * enough
! */
! snprintf(session_time, sizeof(session_time),
! "%d:%02d:%02d.%02d",
! hours, minutes, seconds, (int) (end.tv_usec / 10000));
!
! ereport(
! LOG,
! (errmsg("disconnection: session time: %s%s%s%s%s",
! session_time, uname, dbname, remote_host, remote_port)));
!
}
--- 3541,3556 ----
end.tv_sec -= port->session_start.tv_sec;
end.tv_usec -= port->session_start.tv_usec;
+ /* for stricter accuracy here we could round - this is close enough */
hours = end.tv_sec / SECS_PER_HOUR;
end.tv_sec %= SECS_PER_HOUR;
minutes = end.tv_sec / SECS_PER_MINUTE;
seconds = end.tv_sec % SECS_PER_MINUTE;
! ereport(LOG,
! (errmsg("disconnection: session time: %d:%02d:%02d.%02d "
! "user=%s database=%s host=%s%s%s",
! hours, minutes, seconds, (int) (end.tv_usec / 10000),
! port->user_name, port->database_name, port->remote_host,
! port->remote_port[0] ? " port=" : "", port->remote_port)));
}
---------------------------(end of broadcast)---------------------------
TIP 6: explain analyze is your friend