IS_EMPTY_OR(IS_IN_DB(db, db.lecture_items.id, '%(title)s (%(id)s)'))
Anthony
On Tuesday, August 14, 2012 10:59:42 PM UTC-4, lucas wrote:
>
> ok, moving along,
>
> what if i want the option of allowing the user to leave:
> ...
> Field('lecture_item_id', db.lecture_items, requires=IS_IN_DB(db,
> db.lecture_items.id, '%(title)s (%(id)s)')),
> ...
>
> blank. meaning, if the user choses it in the select element, fine, it
> should be in the referencing table, however, it is ok to leave it blank and
> the controller will handle it according to design. how do i define that
> requires?
>
> thanx again in advance, i am really learning the poop out of this system.
> lucas
>
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