当我使用spark sql查询dataframe中的数据时,我的查询返回错误。从错误中,我找不出哪一列有错误。这是我的查询:%sql select order_entry_date,count(1) cnt,sum(paid_units) paid_unit,sum(total_revenue) rev from mart_bc_order_item group by 1 order by 1java.lang.NumberFormatException: For input string: "�"
at java.