Can that be done??
On Wednesday, 23 October 2013 22:29:50 UTC+5:30, ranjith wrote:
>
> Oh good. Thanks for the response. I added the format and it worked.
>
> But, here I have one problem. In the table(subject_class) I am only having
> a combination of two foreign keys and no other columns. So, adding the
> format to any/both of those values will only show an integer in the
> dropdown which will be meaningless.
> db.define_table('subject_class',
> Field('class_id', 'reference class_tbl'),
> Field('subject_id', 'reference subject_bs')
> )
> So, for the format in the table subject_class alone, is there a way to
> show the columns in (class_tbl/subject_bs) table which contains meaningful
> string columns. If done, in the dropdowns, it will be easier to select the
> entries which provide the meaningful information instead a number.
>
> On Wednesday, 23 October 2013 18:49:31 UTC+5:30, Massimo Di Pierro wrote:
>>
>> Because the referenced tables do not have a format = '%(....)s'
>> representation.
>>
>> On Wednesday, 23 October 2013 02:45:15 UTC-5, ranjith wrote:
>>>
>>> Hi,
>>>
>>> I have defined some tables as below,
>>> db.define_table('subject_class',
>>> Field('class_id', 'reference class_tbl'),
>>> Field('subject_id', 'reference subject_bs')
>>> )
>>> db.define_table('subjectgroup_tbl',
>>> Field('class_id', 'reference class_tbl'),
>>> Field('subgroup_name', 'string')
>>> )
>>> db.define_table('subjectgroup_subject_tbl',
>>> Field('subject_id', 'reference subject_class'),
>>> Field('subgroup_id', 'reference subjectgroup_tbl')
>>> )
>>>
>>> In this, while inserting in the tables(subject_class, subjectgroup_tbl)
>>> via appadmin, their foreign keys are shown in the dropdowns.
>>>
>>> But while trying to insert in the table "subjectgroup_subject_tbl", *the
>>> referencing values are shown as the input test box and not as dropdowns.
>>> *If i enter some random inputs and so a submit, an exception occurs
>>> saying foreign key contraint fails which is an expected result.
>>>
>>> But why those values are not shown as dropdowns. Is there any bug in
>>> web2py??
>>>
>>
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