Richard, Tuesday, August 06, 2002, 9:05:16 PM, you wrote: RU> Using MySQL 3.2.3.51-nt
RU> I think there's something wrong with the way I'm combining the IF and MIN/MAX functions... RU> I'm using aggregate functions of the form MIN( IF( condition, int, NULL ) ), and MAX with the same predicate, and getting MINs bigger than MAXs. RU> Specifically, my query is: RU> SELECT RU> t_calendar.hour, RU> AVG( IF(t_calllog_calls.call_end - t_calllog_calls.call_start > 5, t_calllog_calls.call_end - t_calllog_calls.call_start,NULL) ), RU> MIN( IF(t_calllog_calls.call_end - t_calllog_calls.call_start > 5, t_calllog_calls.call_end - t_calllog_calls.call_start, NULL) ), RU> MAX( IF(t_calllog_calls.call_end - t_calllog_calls.call_start > 5, t_calllog_calls.call_end - t_calllog_calls.call_start, NULL) ) RU> FROM RU> t_calllog_calls INNER JOIN t_calendar ON t_calendar.id = t_calllog_calls.time_key RU> WHERE RU> t_calendar.hour between 0 and 10 AND RU> t_calendar.id between 2002061600 and 2002061699 RU> GROUP BY RU> t_calendar.hour; >From this, I get results: RU> |hour | AVG | MIN | MAX| RU> | 5 | 97.7562 | 100 | 99 | RU> | 6 | 97.7590 | 96 | 99 | RU> | 7 | 97.8342 | 100 | 99 | RU> | 8 | 97.8265 | 100 | 99 | RU> | 9 | 97.6932 | 100 | 99 | RU> | 10 | 97.8036 | 100 | 99 | Thanks for bug report! If NULL is present (t_calllog_calls.call_end - t_calllog_calls.call_start <= 5) the result_type is changed from int to char. It was fixed. -- For technical support contracts, goto https://order.mysql.com/?ref=ensita This email is sponsored by Ensita.net http://www.ensita.net/ __ ___ ___ ____ __ / |/ /_ __/ __/ __ \/ / Victoria Reznichenko / /|_/ / // /\ \/ /_/ / /__ [EMAIL PROTECTED] /_/ /_/\_, /___/\___\_\___/ MySQL AB / Ensita.net <___/ www.mysql.com --------------------------------------------------------------------- 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
