Done: http://code.google.com/p/web2py/issues/detail?id=1548


On Thu, Jun 20, 2013 at 4:24 AM, Niphlod <[email protected]> wrote:

> open an issue so it doesn't get lost....sounds definitevely like a bug
>
>
> On Wednesday, June 19, 2013 6:28:48 PM UTC+2, Alexei Vinidiktov wrote:
>>
>> Hello,
>>
>> I'm using Firebird with my web2py powered app.
>>
>> I've come across what I think to be a bug in migrations, namely dropping
>> columns migrations.
>>
>> If I create a table definition, for example, like this:
>>
>> db.define_table('card',
>>     Field('question', 'text', notnull=True),
>>     Field('answer','text', notnull=True)
>>     )
>>
>> The table gets created, everything works fine.
>>
>> But if I remove a Field definition (drop a column), like so:
>>
>> db.define_table('card',
>>     Field('answer','text', notnull=True)
>>     )
>>
>> The column gets dropped from the database, but I keep getting this error
>> message:
>>
>> <class 'fdb.fbcore.DatabaseError'> ('Error while executing SQL
>> statement:\n- SQLCODE: -607\n- unsuccessful metadata update\n- column
>> QUESTION does not exist in table/view CARD', -607, 335544351)
>>
>> And the sql.log shows that every time I load a page web2py tries to drop
>> the column that has been deleted thus causing this error.
>>
>>
>> timestamp: 2013-06-19T23:11:40.214366
>> ALTER TABLE card DROP question;
>> timestamp: 2013-06-19T23:11:58.635448
>> ALTER TABLE card DROP question;
>>
>>
>> My setup is like this: Mac OS X 10.8.4, Python 2.7.4, web2py 2.5.1,
>> Firebird 2.5 with the latest fdb driver. But I've come across the same bug
>> on Windows too.
>>
>> To reproduce the bug define any table with a couple of columns, get
>> web2py to create it. Then remove a column definition from from the table
>> definition.
>>
>> I've tried fake_migrate but it doesn't solve the problem. Once I remove
>> fake_migrate the error is back.
>>
>> --
>> Alexei Vinidiktov
>>
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Alexei Vinidiktov

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