Re: Simple Question
От | Terry Lee Tucker |
---|---|
Тема | Re: Simple Question |
Дата | |
Msg-id | 200501111707.28773.terry@esc1.com обсуждение исходный текст |
Ответ на | Simple Question (Terry Lee Tucker <terry@esc1.com>) |
Список | pgsql-sql |
I figured it out. This works: travel_window INTERVAL; drv_time FLOAT; drv_time = miles / 45.0; -- drive time travel_window = quote_literal(drv_time || '' hours''); The variable, travel_window becomes: @ 10 hours 50 mins 40 secs, which is what I wanted. If anybody knows any other ways, I'd be interested in see that too. On Tuesday 11 January 2005 04:42 pm, Terry Lee Tucker saith: > 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 Work: 1-336-372-6812Cell: 1-336-363-4719 email: terry@esc1.com
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