On 2012-02-09, Edward W. Rouse wrote:
>> the operation abs() is meaninless on the type interval
>> eg: what is abs( '1 month - 32 days + 24 hours'::interval )
>
> If you need to add 30 intervals together, then +- is not meaningless.
if you stop reading after one line you miss the answer.
--
> -Original Message-
> From: pgsql-sql-ow...@postgresql.org [mailto:pgsql-sql-
> ow...@postgresql.org] On Behalf Of Jasen Betts
> Sent: Thursday, February 09, 2012 6:37 AM
> To: pgsql-sql@postgresql.org
> Subject: Re: [SQL] time interval math
>
> On 2012-02-08
On 2012-02-08, Edward W. Rouse wrote:
> I'm still working on getting this to work, but the summary is this:
>
> I am getting several (many) intervals of hour, minutes and seconds. I need a
> sum of the absolute value these intervals, similar to the SUM(ABS())
> function for numbers; and I need to
"Edward W. Rouse" wrote:
> Hehe, thanks, I played around and ended up with this:
> round(SUM(extract('epoch' from (time_out - time_in
> I will have to do the division outside of the query, but that's really a
> minor issue.
You can always use subqueries.
> Knowing the total i
3600 + ":" + a / 60 + ":" + a % 60)
> -Original Message-
> From: Steve Crawford [mailto:scrawf...@pinpointresearch.com]
> Sent: Wednesday, February 08, 2012 3:26 PM
> To: Edward W. Rouse
> Cc: pgsql-sql@postgresql.org
> Subject: Re: [SQL] time inter
On 02/08/2012 12:01 PM, Edward W. Rouse wrote:
I'm still working on getting this to work, but the summary is this:
I am getting several (many) intervals of hour, minutes and seconds. I need a
sum of the absolute value these intervals, similar to the SUM(ABS())
function for numbers; and I need to
I'm still working on getting this to work, but the summary is this:
I am getting several (many) intervals of hour, minutes and seconds. I need a
sum of the absolute value these intervals, similar to the SUM(ABS())
function for numbers; and I need to divide this sum by an integer (bigint).
Getting