def _db_positive_type_for_alter_column(self, klass, field):
        super_result = super(klass, self)._db_type_for_alter_column(field)
        if isinstance(field, (models.PositiveSmallIntegerField, models.PositiveIntegerField)):
            return super_result.split(" ", 1)[0]
        return super_result
Creates a CTF as per given arguments.  Lets one set a hue,
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/South-1.0.2/south/db/generic.py/DatabaseOperations._db_positive_type_for_alter_column--crossover with--dataset/ETHPy150Open enthought/mayavi/mayavi/modules/volume.py/make_CTF