Hive 递归创建表关联HDFS多层级目录
创建表并分区
set hive.mapred.supports.subdirectories=true;
set mapreduce.input.fileinputformat.input.dir.recursive=true;
DROP TABLE `test`;
CREATE EXTERNAL TABLE `test`
(`column01` string
, `column02` string
, `column03` string
, `column04` string)
PARTITIONED by(year STRING,month STRING ,day STRING )
ROW FORMAT DELIMITED FIELDS TERMINATED BY ','
stored as TEXTFILE;
分区挂载数据
ALTER TABLE test ADD IF NOT EXISTS
PARTITION(YEAR = 2016,MONTH=06,DAY=01) LOCATION '/xx/xx/xx/xx/2016/06/01'
PARTITION(YEAR = 2016,MONTH=06,DAY=02) LOCATION '/xx/xx/xx/xx/2016/06/02'
PARTITION(YEAR = 2016,MONTH=06,DAY=03) LOCATION '/xx/xx/xx/xx/2016/06/03'
PARTITION(YEAR = 2016,MONTH=06,DAY=04) LOCATION '/xx/xx/xx/xx/2016/06/04';