Great! I've figure out what was wrong. I had few columns with the
wrong type. What was funny was that it worked without the C
Extensions, I would guess that it's because any int above 0 means true
too python so the conversion works.

On Mon, Oct 28, 2013 at 2:06 PM, Michael Bayer <[email protected]> wrote:
>
> the quickest route would be to use DEBUG logging or echo=debug which will 
> show the rows coming back.
>
> or I’d just stick a pdb.set_trace() and/or pdb.post_mortem() in the source of 
> your app or SQLalchemy and poke from there when the error occurs.
>
>
> On Oct 28, 2013, at 10:43 AM, Gustavo Gawryszewski <[email protected]> 
> wrote:
>
>> Is there a way to force sqlalchemy to print out which is the result
>> that is breaking the system?
>>
>> On Mon, Oct 28, 2013 at 12:40 PM, Michael Bayer
>> <[email protected]> wrote:
>>> it seems apparent that data that isn’t in the range (None, 0, 1) is getting 
>>> into that column, that’s the part you’d need to fix.
>>>
>>> Or make yourself a custom type that interprets whatever number it is you’re 
>>> putting in there as a boolean.
>>>
>>>
>>> On Oct 28, 2013, at 10:34 AM, Gustavo Gawryszewski <[email protected]> 
>>> wrote:
>>>
>>>> Well, it happened again after i've added some data to my database.
>>>>
>>>> I'm using sqlalchemy 0.8.3 and pymysql 0.6.1. (I have also tried with
>>>> mysql-python 1.2.4)
>>>>
>>>> On Fri, Oct 25, 2013 at 3:33 PM, Michael Bayer <[email protected]> 
>>>> wrote:
>>>>>
>>>>> On Oct 25, 2013, at 12:59 PM, Gustavo Gawryszewski 
>>>>> <[email protected]>
>>>>> wrote:
>>>>>
>>>>>
>>>>> I've got an error while trying to retrieve boolean items from mysql.
>>>>>
>>>>> as stated in
>>>>> http://stackoverflow.com/questions/19591801/sqlalchemy-cant-convert-boolean-to-int-with-mysql
>>>>>
>>>>> but when I've installed without the C Extensions everything worked fine.
>>>>>
>>>>> Is that a bug?
>>>>>
>>>>>
>>>>> can’t reproduce, please see http://stackoverflow.com/a/19596096/34549
>>>>>
>>>>>
>>>>>
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>>>>
>>>>
>>>>
>>>> --
>>>> Gustavo Gawryszewski
>>>> Founder & Principal Designer
>>>> www.bekind.com.br
>>>>
>>>> Mobile: +55 51 9456-4554
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>>>
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>>
>>
>>
>> --
>> Gustavo Gawryszewski
>> Founder & Principal Designer
>> www.bekind.com.br
>>
>> Mobile: +55 51 9456-4554
>> Website: http://gawry.com
>> LinkedIn: http://www.linkedin.com/in/gawry
>> Twitter: http://twitter.com/gawry
>>
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>
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-- 
Gustavo Gawryszewski
Founder & Principal Designer
www.bekind.com.br

Mobile: +55 51 9456-4554
Website: http://gawry.com
LinkedIn: http://www.linkedin.com/in/gawry
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