def _make_proxy(
            self, selectable, name=None, name_is_truncatable=False, **kw):
        if name is None:
            name = self.anon_label
            if self.key:
                key = self.key
            else:
                try:
                    key = str(self)
                except exc.UnsupportedCompilationError:
                    key = self.anon_label

        else:
            key = name
        co = ColumnClause(
            _as_truncated(name) if name_is_truncatable else name,
            type_=getattr(self, 'type', None),
            _selectable=selectable
        )
        co._proxies = [self]
        if selectable._is_clone_of is not None:
            co._is_clone_of = \
                selectable._is_clone_of.columns.get(key)
        selectable._columns[key] = co
        return co
Create a new :class:`.ColumnElement` representing this
dataset/ETHPy150Open goFrendiAsgard/kokoropy/kokoropy/packages/sqlalchemy/sql/elements.py/ColumnElement._make_proxy