--! qt:dataset:src | |
set hive.map.aggr=false; | |
CREATE TABLE dest1_n106(key INT, value STRING) STORED AS TEXTFILE; | |
EXPLAIN | |
FROM src | |
INSERT OVERWRITE TABLE dest1_n106 SELECT COUNT(src.key), COUNT(DISTINCT value) GROUP BY src.key; | |
FROM src | |
INSERT OVERWRITE TABLE dest1_n106 SELECT COUNT(src.key), COUNT(DISTINCT value) GROUP BY src.key; | |
SELECT dest1_n106.* FROM dest1_n106; | |