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: [EMAIL PROTECTED] > > ---------------------------(end of broadcast)--------------------------- > TIP 4: Don't 'kill -9' the postmaster Work: 1-336-372-6812 Cell: 1-336-363-4719 email: [EMAIL PROTECTED] ---------------------------(end of broadcast)--------------------------- TIP 9: the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match