Yes. The tables class_tbl and subject_bs need a format attribute (one each).
On Thursday, 24 October 2013 09:49:57 UTC-5, ranjith wrote:
>
> 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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