| --! 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 dest1_n31(key INT, value STRING) STORED AS TEXTFILE; | |
| EXPLAIN | |
| INSERT OVERWRITE TABLE dest1_n31 | |
| SELECT src.key, sum(substr(src.value,5)) | |
| FROM src | |
| GROUP BY src.key; | |
| INSERT OVERWRITE TABLE dest1_n31 | |
| SELECT src.key, sum(substr(src.value,5)) | |
| FROM src | |
| GROUP BY src.key; | |
| SELECT dest1_n31.* FROM dest1_n31; | |