(self, fieldname)
Returns the minimum length of the field across all documents. This
        is used by some scoring algorithms.
Returns the minimum length of the field across all documents. This
        is used by some scoring algorithms.
Returns the minimum length of the field across all documents . This is used by some scoring algorithms .
def min_field_length(self, fieldname):
        """Returns the minimum length of the field across all documents. This
        is used by some scoring algorithms.
        """
        raise NotImplementedError
def min_field_length ( self , fieldname ) : raise NotImplementedError