Re: Date/Time Difference Calculations

2004-06-11 Thread Eamon Daly
You probably want SEC_TO_TIME: http://dev.mysql.com/doc/mysql/en/Date_and_time_functions.html SELECT a as start, b as end, SEC_TO_TIME(end - start) FROM table Eamon Daly - Original Message - From: Dirk Bremer (NISC) [EMAIL

Re: Date/Time Difference Calculations

2004-06-11 Thread Dirk Bremer \(NISC\)
Here is an example using sec_to_time. Note that the results are inconsistent and sometimes inaccurate. It seems that when the difference is less than one minute, the result is correct, when it is over one minute, the result is incorrect. select ident, transfer_start, transfer_end,

Re: Date/Time Difference Calculations

2004-06-11 Thread Dirk Bremer \(NISC\)
Time Zone 636-922-9158 ext. 8652 fax 636-447-4471 [EMAIL PROTECTED] www.nisc.cc - Original Message - From: Dirk Bremer (NISC) [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Friday, June 11, 2004 14:29 Subject: Re: Date/Time Difference Calculations Here is an example using sec_to_time. Note

Re: Date/Time Difference Calculations

2004-06-11 Thread gerald_clark
, 2004 14:29 Subject: Re: Date/Time Difference Calculations Here is an example using sec_to_time. Note that the results are inconsistent and sometimes inaccurate. It seems that when the difference is less than one minute, the result is correct, when it is over one minute, the result

Re: Date/Time Difference Calculations

2004-06-11 Thread Dirk Bremer \(NISC\)
11, 2004 14:50 Subject: Re: Date/Time Difference Calculations select sec_to_time(time_to_sec(transfer_end)-time_to_sec(transfer_start)); -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]

Re: Date/Time Difference Calculations

2004-06-11 Thread SGreen
to: Subject: Re: Date/Time Difference Calculations 06/11/2004 03:37 PM

Re: Date/Time Difference Calculations

2004-06-11 Thread Dirk Bremer \(NISC\)
] www.nisc.cc - Original Message - From: [EMAIL PROTECTED] To: Dirk Bremer (NISC) [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Sent: Friday, June 11, 2004 14:54 Subject: Re: Date/Time Difference Calculations I didn't see where these were 4.1+ function so I think it will work. I refer you

RE: Date/Time difference

2001-03-05 Thread Quentin Bennett
Hi, Your main problem will be in storage - datetime fields are only down to the second, so you will have to store the times as integers, and then do your own arithmetic on them. If you stored the time as ('unix time' * 100) + hundreths, then you could probably still do some arithmetic using the