You haven't provided enough info for anybody to tell what's going on. What data are you substracting? Can you provide an sql dump of the data that gets different answers and your code?
You can' even get fractional seconds from those statements as the time format only supports hr/min/sec Michael D. Black Senior Scientist Advanced Analytics Directorate Advanced GEOINT Solutions Operating Unit Northrop Grumman Information Systems ________________________________________ From: [email protected] [[email protected]] on behalf of Bart Smissaert [[email protected]] Sent: Saturday, October 06, 2012 12:38 PM To: General Discussion of SQLite Database Subject: EXT :Re: [sqlite] Subtract times hh:mm:ss Times I get (65000 records, subtracting 2 fields defined as text in the same table) gives me following times: method with julianday 0.4 secs method with unixepoch 0.6 secs using ctime etc. via VB wrapper 1.2 secs RBS On Tue, Oct 2, 2012 at 7:39 PM, Igor Tandetnik <[email protected]> wrote: > On 10/2/2012 1:00 PM, Bart Smissaert wrote: >> >> Is there a way to subtract times in the text format hh:mm:ss >> and return the difference in the same format? > > > select time(julianday('03:22:11') - julianday('01:22:33') - .5); > select time(strftime('%s', '03:22:11') - strftime('%s', '01:22:33'), > 'unixepoch'); > > Both of these return '01:59:38'. > -- > Igor Tandetnik > > _______________________________________________ > sqlite-users mailing list > [email protected] > http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users _______________________________________________ sqlite-users mailing list [email protected] http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users _______________________________________________ sqlite-users mailing list [email protected] http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
