Hi, 
I've fixed the error but I've to understand if all common_filters are 
applied correctly. 
Do you mind to test  https://github.com/ilvalle/web2py/tree/issue-2023 ?

Paolo

On Saturday, January 10, 2015 at 2:01:56 PM UTC+1, Jose C wrote:
>
> On Saturday, 10 January 2015 12:20:31 UTC, Niphlod wrote:
>>
>> uhm....but record_versioning adds a common_filter per se, and is usually 
>> on the form of is_active == True. Did you try to set a different 
>> common_filter ?
>>
>
> Yes I tried various, within the table definition and external to it (post 
> definition).  I used that one as the simplest example (probably not the 
> best).  But even so, all it should do is create a query with the 2 
> statements (even though they are the same condition).  Something like 
> (WHERE fld == True AND fld == True).  Redundant, sure... but shouldn't 
> cause a traceback.  
>
> I looked into the code where it happens and that line is trying to `&` two 
> lambda functions (hence the traceback error message).  From my 
> understanding it should be trying to `&` two query objects, not functions.  
> I did try converting  to queries, applying the & operator and then 
> converting back to function, but that broke something else down line in 
> record versioning for reasons I haven't figured out yet.  So no solution 
> yet. 
>
> Will post to the bug report if I get it to work.
>

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