On Tuesday, July 18, 2017 at 11:33:33 AM UTC-7, Alex Glaros wrote:
>
> Goal is to compute bottleneck_delay_time in hours by subtracting
> request.now from created_on date.
>
> What is correct syntaxt?
>
> Below is wrong but shows intent.
>
> MODEL
>
> db.define_table('InternalMessage',
> Field('bottleneck_resolve_date', 'datetime', default = None),
> Field('bottleneck_delay_time', 'integer', label = 'Bottleneck Delay
> Time In hours'))
>
> CONTROLLER
>
> from datetime import timedelta
> db(db.InternalMessage.bottleneck_resolve_date ==
> None).update(bottleneck_delay_time = (timedelta(request.now) -
> timedelta(db.InternalMessage.created_on)))
>
> thanks
>
> Alex Glaros
>
I don't think you wrap the timestamps with a timedelta.
The difference between two datetime.datetime objects is automatically a
datetime.timedelta. I think you need
db(db.InternalMessage.bottleneck_resolve_date ==
None).update(bottleneck_delay_time
= ((request.now) - db.InternalMessage.created_on).total_seconds()/3660)
/dps
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