---王燕行转列sql select split(concat_ws(',',collect_set(cast(smzq as string))),',')[1] ,split(concat_ws(',',collect_set(cast(smzq as string))),',')[2] from wyy; ---mysql 导入 导出数据部分 --mysql 导入 load data infile 'C:\\Users\\wanghongbo1\\Downloads\\sum.csv' in