show partitions srcpart; drop table nzhang_part12; create table if not exists nzhang_part12 like srcpart; describe extended nzhang_part12; set hive.merge.mapfiles=false; set hive.merge.mapredfiles=false; set hive.exec.dynamic.partition=true; insert overwrite table nzhang_part12 partition (ds="2010-03-03", hr) select key, value, cast(hr*2 as int) from srcpart where ds is not null and hr is not null; show partitions nzhang_part12; select * from nzhang_part12 where ds is not null and hr is not null; drop table nzhang_part12;