HI!

I implemented a TypeDecorator which allows setting the precision of a 
datetime value. 

It does something like:

*import datetime*
*
*
*class PrecisionDateTime(TypeDecorator):*
*    def process_bind_param(self, value, dialect):*
*        return datetime.datetime(value.year, value.month,*
*                                 value.hour, value.minute,*
*                                 0, 0)*


This works but the problem is, that I have to call Session.refresh() on 
every added (and flushed) 
object because otherwise the date-column still has the old value (with 
second != 0 and millisecond != 0).

Is there a way the refresh could be avoided?

I have SQLAlchemy version 0.7.10

Regards,
Florian

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