Andrey,
Not to be negative, but why do you want to do this?
On Friday, February 7, 2014 8:07:10 AM UTC-5, Andrey K wrote:
>
> Thanks Anthony for your concise answer!
> I have tried it in the app code - it did not work, giving me no error. I
> have tried your code in the terminal and it looks the code does not create
> new table field. Any idea why it does not work? Maybe its my db settings? I
> use sqlite db. Your help would very helpful to me as all my app dependent
> on this function.
>
> Here is my trial in a terminal:
>
> >>> from gluon import DAL, Field
> >>> db = DAL('sqlite://se2.sqlite',check_reserved=['postgres',
> 'postgres_nonreserved'],pool_size=10,lazy_tables=True, migrate=True,
> fake_migrate=False)
>
> >>> ta_args = dict(format='%(f1)s')
>
>
> >>> db.define_table('ta', Field('f1', 'string'), **ta_args)
> >>> db._tables
> ['ta']
> >>> db.ta._fields
>
> ['id', 'f1']
> #if understand correctly here I am trying to add new field 'newfield' to
> the ta table.
> >>> db.define_table('ta', db.ta,Field('newfield', 'string', default =
> 'abc'),redefine=True, **ta_args)
> >>> db.ta._fields
> #it giving me no change in db.table field list
>
> ['id', 'f1']
>
> On Thursday, February 6, 2014 4:41:29 PM UTC+3, Anthony wrote:
>>
>> The safest way is probably to redefine the whole table.
>>
>> *models/dp.py:*
>>
>> tA_args = dict(format='%(f1)s', ...)
>> db.define_table('tA',
>> Field('f1', 'string'),
>> **tA_args)
>>
>> *controllers/default.py:*
>>
>> db.define_table('tA', db.tA,
>> Field('newfield'),
>> redefine=True, **tA_args)
>>
>> Anthony
>>
>
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