you need to pass a "mapping" to the update() method. so, something like this
mapping = {field_name : value}
...update(**mapping)
On Wednesday, September 24, 2014 5:10:33 PM UTC+2, Andy Joel wrote:
>
> I want a method to update the database record behind a model, and I
> thought something like this might work.
>
> class MyModel:
> def db_update(self, field_name, value):
> self.db(self.db.t_empire.id==self.record.id
> ).update(field_name=value)
>
> Apparently not. The field_name cannot be a string. I do not know Python,
> so I am wondering what it is. A keyword? Anyway, how do I update the
> database record, given a field name that is a string?
>
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