Is call_end - call_start a integer, maybe the range is to big and it is eval'd as NULL or false. shrug.
On Tue, 17 Sep 2002, Gelu Gogancea wrote: > Hi, > > One thing I'd check: what happens if t_calllog_calls.id is NULL? > ...is not count. > > Regards, > > Gelu > _____________________________________________________ > G.NET SOFTWARE COMPANY > > Permanent e-mail address : [EMAIL PROTECTED] > [EMAIL PROTECTED] > ----- Original Message ----- > From: "Brian Reichert" <[EMAIL PROTECTED]> > To: "Richard Unger" <[EMAIL PROTECTED]> > Cc: <[EMAIL PROTECTED]> > Sent: Tuesday, September 17, 2002 10:16 PM > Subject: Re: aggregate functions producing bad data > > > > On Tue, Sep 17, 2002 at 11:59:42AM -0700, Richard Unger wrote: > > > My query: > > > > > > SELECT > > > count(id), > > > count( IF(call_end - call_start > 5, id, NULL) ), > > > count( IF(call_end - call_start <= 5, id, NULL) ) > > > FROM > > > t_calllog_calls; > > > > > > My result: > > > > > > 1994 > > > 1956 > > > 35 > > > > > > However, 1956 + 35 != 1994. > > > > > > Running MySQL 3.23.49-nt > > > > > > > Cheers, > > > Rich > > > > -- > > Brian 'you Bastard' Reichert <[EMAIL PROTECTED]> > > 37 Crystal Ave. #303 Daytime number: (603) 434-6842 > > Derry NH 03038-1713 USA Intel architecture: the left-hand path > > > > --------------------------------------------------------------------- > > Before posting, please check: > > http://www.mysql.com/manual.php (the manual) > > http://lists.mysql.com/ (the list archive) > > > > To request this thread, e-mail <[EMAIL PROTECTED]> > > To unsubscribe, e-mail <[EMAIL PROTECTED]> > > Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php > > > > > > > --------------------------------------------------------------------- > Before posting, please check: > http://www.mysql.com/manual.php (the manual) > http://lists.mysql.com/ (the list archive) > > To request this thread, e-mail <[EMAIL PROTECTED]> > To unsubscribe, e-mail <[EMAIL PROTECTED]> > Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php > > --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
