Here's what I had in mind, if of any interest. This function does not work
(and it's a simplified one that dosn't take into account the multiple=True
in db.customer.guitar_ref). I'm not sure why it dosn't work. I think it's
because I call a function in the first arg of IS_IN_DB. If someone coul
OK, that's the problem discussed in the "Validators with dependencies"
paragraph of the book. It took me some time to realize that. From what I've
read from other developers, it's not possible to solve this in the model if
I understand well, even if the book says so. I'll solve this by adding th
This is my latest best try, but it still returns a syntax error when
executing (not when compiling) :
db.define_table('guitar',
Field('brand',type='string'))
db.define_table('customer',
Field('name',type='string'),
F
I want to write something like that, but I know it's not correct because it
doesn't provide the link between the invoice._id considered and c_id :
c_id=db.invoice.customer_ref
g_id=db.customer[c_id].guitar_ref
db.invoice.guitar_ref.requires=IS_IN_DB(db(db.guitar._id==g_id),'guitar.id')
--
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