Re: Simple Question
От | Guy Fraser |
---|---|
Тема | Re: Simple Question |
Дата | |
Msg-id | 1105481194.5382.18.camel@sigurd.incentre.net обсуждение исходный текст |
Ответ на | Simple Question (Terry Lee Tucker <terry@esc1.com>) |
Ответы |
Re: Simple Question
|
Список | pgsql-sql |
Convert to seconds first (3600 sec/hr) : select ('3600'::int4 * '478'::int4 / '45.0'::float8 )::int4::reltime::interval ;interval ----------10:37:20 (1 row) I don't know if "::int4::reltime::interval" is the best way to end up with an interval, but its the only way I could figure out how to do it off the top of my head. On Tue, 2005-11-01 at 16:42 -0500, Terry Lee Tucker wrote: > Hello: > > I'm trying to figure out how to convert a floating point value into an > interval of time. I'm calculating the time required to drive from point A to > point B. For the sake of this question, we'll just say it is miles/speed. So: > > drv_time = 478 / 45.0; > > The value of this is: 10.6222222222222222 > > Is there a way of converting this value to an interval. It seems that INTERVAL > only works with a quoted literal value. > > If I type: > rnd=# select interval '10.8444444444444444 hours'; > interval > ---------------------------- > @ 10 hours 50 mins 40 secs > (1 row) > > Anybody have an pointers? > > Thanks... > > > Work: 1-336-372-6812 > Cell: 1-336-363-4719 > email: terry@esc1.com > > ---------------------------(end of broadcast)--------------------------- > TIP 4: Don't 'kill -9' the postmaster > -- Guy Fraser Network Administrator The Internet Centre 1-888-450-6787 (780)450-6787
В списке pgsql-sql по дате отправления: