Re: adding times togeather - Mailing list pgsql-general

From ed despard
Subject Re: adding times togeather
Date
Msg-id CBDB0B02-79C9-11D7-B730-0003938ABE54@clarkson.edu
Whole thread Raw
In response to Re: adding times togeather  (Steve Crawford <scrawford@pinpointresearch.com>)
Responses Re: adding times togeather  ("scott.marlowe" <scott.marlowe@ihs.com>)
Re: adding times togeather  (Steve Crawford <scrawford@pinpointresearch.com>)
List pgsql-general
what i have is two columns that represent the times for sections of a
race, so i have column A that is say 0:20:23 and i have column B that
is 0:21:45 and i want to have a column that is A+B where that would be
0:42:18 in this case.

ed

On Monday, April 28, 2003, at 06:25  PM, Steve Crawford wrote:

> I can't tell what you want. Adding two times doesn't make sense. What
> is
> 3:15pm + 4:30am or 5:15 April 3 2003 + 4:27 June 14 1997. No such beast
> exists. I suspect that one of your "times" is really an interval.
>
> You can:
> Subtract two times and get an interval
> Add an interval to a time to get a time
> Add two intervals to get an interval
>
> What are you trying to do? It might help to tell us what the two
> columns
> represent and what the result is supposed to represent.
>
> Cheers,
> Steve
>
>
> On Monday 28 April 2003 3:17 pm, ed despard wrote:
>> i have two collumns of type time, and i want to get the result of the
>> two times added togeather. how do i go about doing this? i could use
>> timestamps instead of times if necessary, but all the date/time
>> functions seem to want to add intervals to things.
>>
>> thanks,
>> ed
>>
>>
>> ---------------------------(end of
>> broadcast)---------------------------
>> TIP 4: Don't 'kill -9' the postmaster


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