Alias??

http://www.web2py.com/book/default/chapter/06?search=fake#Self-Reference-and-Aliases

Richard

On Tue, Aug 23, 2011 at 12:58 PM, DenesL <denes1...@yahoo.ca> wrote:

>
> Maybe I dreamt it but it seems to me that there was a way to define a
> field like another field except for the name and label but I can't
> recall how it was done.
>
> It would be similar to table inheritance:
> http://web2py.com/book/default/chapter/06#Self-Reference-and-Aliases
> but at a field level.
>
> Uses?
> Field templating where common field definitions are used as standard
> components of tables in a somewhat reverse way (define fields before
> tables):
>
> Field('name','string',length=20,requires=IS_NOT_EMPTY())
>
> db.define_table('person', as('name','firstname'), as('name',
> 'lastname'), ...)
>
> so firstname and lastname would be non-null strings of len 20
>
> Maybe it is not a good idea but I want to hear your opinions.
>
> Denes.
>

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