def _fieldnames_to_colnames(model_cls, fieldnames):
        """Get the names of columns referenced by the given model fields."""
        get_field = model_cls._meta.get_field
        fields = map(get_field, fieldnames)
        return {f.column for f in fields}
def _fieldnames_to_colnames ( model_cls , fieldnames ) : get_field = model_cls . _meta . get_field fields = map ( get_field , fieldnames ) return { f . column for f in fields }
Get the names of columns referenced by the given model fields.