Обсуждение: Interval Format

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Hello,

Zagato a écrit :
> Hi everyone... im looking for some help with the interval format
> between two diferents versions of postgres....
> I have instaled in my old server postgres 8.0.3 and in my new one
> postgres 8.3.5. <http://8.3.5./>..
> Everything in both looks works nice but i notice a little difference
> that is taking my crazy..
> I have som SQL that in 8.0.3 do:
> # SELECT '32 hours'::INTERVAL;
>     interval
> -----------------
>  @ 1 day 8 hours
> (1 row)
>
> And in 8.3.5 do:
> seg_veh2=# SELECT '@ 32 hours'::INTERVAL;
>   interval
> ------------
>  @ 32 hours
> (1 row)
If you really want your interval in normalized form (like days , hours
parts...)
with versions from 8.1 and newers, you must use the justify_* function :

|SELECT justify_hours('@ 32 hours'::INTERVAL);

will give you :

 justify_hours
- ----------------
 1 day 08:00:00

and

SELECT justify_days('45 days @ 32 hours'::INTERVAL);

give

      justify_days
- ------------------------
 1 mon 15 days 32:00:00

or global function

||SELECT justify_interval('45 days @ 32 hours'::INTERVAL);

will give

    justify_interval
- ------------------------
 1 mon 16 days 08:00:00

|
>
> Why i unable to get my old style of interval, i really need to see
> the day part.... im using datestyle german in both.... im try with
> "SET IntervalStyle TO..." but i get this error:
> ERROR:  unrecognized configuration parameter "intervalstyle"
> looking throw the forums i get that this new param its just for
> postgres 8.4...
> So.. how can i recover my "days" part...
>
> Any help it appreciate... thanks :D
Hope it can helps !
>
> Alan Jairo Acosta
>
Regards, François Figarola.

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