On 08/12/2011 05:52 PM, NiL wrote:
say you want to filter on the 'field' (field would be a string
representing the name of the field) on objects of class == Klass
field_attr = getattr(Klass, field)
would give you the instrumented attribute
then
Session.query(Klass).filter(field_attr == searchString)
or
Session.query(Klass).filter(field_attr.endswith(searchString))
would run
Alternatively if you are only interested in equality you can skip the
getattr and use filter_by in combination with python's keyword argument
handling:
Session.query(klass).filter_by(**{field: value})
Wichert.
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