li_dongchao的博客

linux下对文件去重sort -n test.txt | uniq拉取hive表，且分组&组内排序hive -e "select city_name,price,row_number() over(partition city_name order by price) from table_name where pt='20190816000000';" >your_fil...

string input_file="inputFileName";string query;std::ifstream in(input_file);while(getline(in,query)){ cout<<query<<endl;}