def _format_column(self, expr):
        # HACK: if column is pulled from a Filter of another table, this parent
        # will not be found in the memo
        col = expr.op()
        parent_op = col.parent().op()
        if parent_op > self.memo:
            table_formatted = self.memo.get_alias(parent_op)
        else:
            table_formatted = '\n' + self._indent(self._format_node(parent_op))
        type_display = self._get_type_display(self.expr)
        return ("Column[{0}] '{1}' from table {2}"
                .format(type_display, col.name, table_formatted))
dataset/ETHPy150Open cloudera/ibis/ibis/expr/format.py/ExprFormatter._format_column/operator `in` -> `>`