1.创建Hive分区表，按字段分区

CREATE TABLE test1 (  id bigint ,  create_time timestamp ,  user_id string)  partitioned by (partition_key int)  ROW FORMAT DELIMITED   FIELDS TERMINATED BY '\001'  LINES TERMINATED BY '\n';

2.增加Hive分区表

ALTER TABLE test1 ADD PARTITION(partition_key=20180620) LOCATION '/user/hive/warehouse/demo.db/test1/partition_key=20180620';

3.删除分区Partition

alter table user_behaviour drop partition(partition_key=20180620);