MySQL 报错 Duplicate entry xxx for key group_key

MySQL 报Duplicate entry xxx for key '<group_key>' 错误 1.报错 mysql> select shop_id,bd_code,gmt_create from e_sos_shop_bd_log group by shop_id,bd_code,gmt_create having count(1) > 1; ERROR 1062 (23000): Du

>>阅读原文<<