i like this idea, and i committed a check in the foreign key init to
set the type if a column has NULLTYPE for a type (which is the default
if you send None). but having the parameter optional requires some
positional *args games which id rather not get into right now, so it
looks like:
Column('user_id', None, ForeignKey("users.user_id"))
Alexandre CONRAD wrote:
> Hello,
>
> I was wondering why not having an automatic datatype assigned to a FK
> column instead of repeating twice the data type that has to be set...
>
> a user table would have:
>
> Column('user_id', Integer, primary_key=True),
>
> and an address table refereing to a user would have:
>
> Column('user_id', ForeignKey("users.user_id")),
>
> Here, I don't specify that the FK column is an Integer, because some
> clever mechanics would do that for me.
>
> I suppose that this was already thougt before, but I was just wondering...
>
> Regards,
> --
> Alexandre CONRAD
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