| --! qt:dataset:src |
| set hive.mapred.mode=nonstrict; |
| set hive.map.aggr=true; |
| set hive.groupby.skewindata=false; |
| set mapred.reduce.tasks=31; |
| |
| -- SORT_QUERY_RESULTS |
| |
| CREATE TABLE dest1_n16(key STRING, c1 INT, c2 STRING) STORED AS TEXTFILE; |
| |
| EXPLAIN |
| FROM src |
| INSERT OVERWRITE TABLE dest1_n16 SELECT substr(src.key,1,1), count(DISTINCT substr(src.value,5)), concat(substr(src.key,1,1),sum(substr(src.value,5))) GROUP BY substr(src.key,1,1); |
| |
| FROM src |
| INSERT OVERWRITE TABLE dest1_n16 SELECT substr(src.key,1,1), count(DISTINCT substr(src.value,5)), concat(substr(src.key,1,1),sum(substr(src.value,5))) GROUP BY substr(src.key,1,1); |
| |
| SELECT dest1_n16.* FROM dest1_n16; |
