One problem with removing justify_hours() is that this is going to
return '24:00:00', rather than '1 day:test=> select '2004-01-02 00:00:00'::timestamptz -
'2004-01-0100:00:00'::timestamptz;?column?---------- 24:00:00(1 row)
---------------------------------------------------------------------------
Jim Nasby wrote:
> On Oct 5, 2006, at 11:50 AM, Tom Lane wrote:
> > regression=# select ('2006-09-15 23:59:00'::timestamp - '2006-09-01
> > 09:30:41'::timestamp);
> > ?column?
> > ------------------
> > 14 days 14:28:19
> > (1 row)
> >
> > should be reporting '350:28:19' instead.
> >
> > This is a hack that was done to minimize the changes in the regression
> > test expected outputs when we changed type interval from months/
> > seconds
> > to months/days/seconds. But I wonder whether it wasn't a dumb idea.
> > It is certainly inconsistent, as noted in the code comments.
> >
> > I'm tempted to propose that we remove the justify_hours call, and tell
> > anyone who really wants the old results to apply justify_hours() to
> > the
> > subtraction result for themselves. Not sure what the fallout would
> > be,
> > though.
>
> I suspect there's applications out there that are relying on that
> being nicely formated for display purposes.
>
> I agree it should be removed, but we might need a form of backwards
> compatibility for a version or two...
> --
> Jim Nasby jimn@enterprisedb.com
> EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)
>
>
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