On Jan 16, 2012, at 8:34 PM, Mason wrote:

> Hi
> 
> I have the following statement
> 
>            rows = self.session.query(e.src_id, e.tar_id, \
>                        e.type, m.text, e.event_ts).\
>                        outerjoin(m, e.media_id==m.message_id).\
>                        filter(e.src_id==src_id).\
>                        filter(e.tar_id==tar_id).\
>                        all()[start:offset]
> 
> Some of the results are like
> 
> (2L, 1L, 3, None, datetime.datetime(2012, 1, 13, 14, 52, 58))
> (2L, 1L, 3, None, datetime.datetime(2012, 1, 13, 14, 52, 58))
> (2L, 1L, 5, None, datetime.datetime(2012, 1, 13, 14, 52, 59))
> 
> event_ts is a Datetime object.  Is it possible to convert this to utc
> in the statement?  I can do this directly with the mysql select
> statement, but not sure about if this is possible in sqlalchemy


you'd need to use func.<something that does utc>(date), let's check mysql's 
docs... convert_tz: 
http://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html#function_convert-tz

so 

from sqlalchemy import func

session.query(func.convert_tz(e.event_ts, 'EST', 'UTC'))


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