I do not think there is a problem with the function. I think there is a
problem with the data.
On Sunday, 31 March 2013 20:38:06 UTC-5, 黄祥 wrote:
>
> with tdiff function have same result it's give 0.00 as the result.
>
> yes, i've tried the difference both (more than 1 day and in the same day)
> but all of it return 0 when i set duration is integer, 0:00:00 when i set
> duration in datetime and 0.00 when i set duration in double.
>
> when i try it with 1 table the compute can work with datetime format for
> both of different time (more than 1 day and in the same day).
> e.g.
> db.define_table('activity',
> Field('subject'),
> Field('activity_type', 'list:string'),
> Field('contact', 'reference contact'),
> Field('description', 'text'),
> Field('scheduled_start', 'datetime'),
> Field('due_date', 'datetime'),
> Field('actual_start', 'datetime'),
> Field('actual_end', 'datetime'),
> * Field('duration', compute=lambda r:
> r['actual_end']-r['actual_start']),*
> Field('priority', 'list:string'),
> Field('status', 'list:string'),
> auth.signature)
>
> have another solution for handle this thing?
> thanks a lot before
>
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