不需要新建表，或者修改表结构，直接添加表分区。

 ALTER TABLE wxrrd_copy.factorder  PARTITION  by range(shopid)
  (PARTITION p10000000 VALUES LESS THAN (10100000),
  PARTITION p10100000 VALUES LESS THAN (10200000),
  PARTITION p10200000 VALUES LESS THAN (10300000),
  
  PARTITION pmax VALUES LESS THAN (maxvalue)
  );