>
> I cannot use web2py id's for referencing my brands, I need to use id's
> from another CRM application called "01". So I have in my "brands" table a
> field called "id_01" and in the "products" table a field called
> "brand_id_01".
>
> db.define_table('brands',
> Field('id_01', unique = True),
> Field('name'),
> format='%(names')
>
Does the "brands" table in the CRM application have an auto-incrementing
integer field called "id"? If not, then the above table definition is
incorrect. If "id_01" is an auto-incrementing integer field, then you
should do:
db.define_table('brands',
Field('id_01', 'id'),
...)
In that case, your reference field in db.products should work fine (you
don't even need to bother defining the IS_IN_DB validator).
If "id_01" is not an integer field, then you should do:
db.define_table('brands',
Field('id_01', unique=True),
...,
primarykey=['id_01'])
In that case, though, you will only be able to reference db.brands from
other keyed tables (see
http://web2py.com/books/default/chapter/29/06/the-database-abstraction-layer#Legacy-databases-and-keyed-tables
).
Anthony
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