--! qt:dataset:src | |
set hive.mapred.mode=nonstrict; | |
set hive.map.aggr=false; | |
set hive.groupby.skewindata=false; | |
set mapred.reduce.tasks=31; | |
-- SORT_QUERY_RESULTS | |
CREATE TABLE dest_g1_n0(key INT, value DOUBLE) STORED AS TEXTFILE; | |
EXPLAIN | |
FROM src INSERT OVERWRITE TABLE dest_g1_n0 SELECT src.key, sum(substr(src.value,5)) GROUP BY src.key; | |
FROM src INSERT OVERWRITE TABLE dest_g1_n0 SELECT src.key, sum(substr(src.value,5)) GROUP BY src.key; | |
SELECT dest_g1_n0.* FROM dest_g1_n0; |