| --! qt:dataset:src |
| set hive.stats.column.autogather=false; |
| set hive.exec.reducers.max=1; |
| |
| CREATE TABLE dest1_n13(key INT, value STRING) STORED AS TEXTFILE; |
| |
| EXPLAIN |
| FROM ( |
| FROM src |
| SELECT TRANSFORM(src.key, src.value) |
| USING 'cat' AS (tkey, tvalue) |
| CLUSTER BY tkey LIMIT 20 |
| ) tmap |
| INSERT OVERWRITE TABLE dest1_n13 SELECT tmap.tkey, tmap.tvalue WHERE tmap.tkey < 100; |
| |
| FROM ( |
| FROM src |
| SELECT TRANSFORM(src.key, src.value) |
| USING 'cat' AS (tkey, tvalue) |
| CLUSTER BY tkey LIMIT 20 |
| ) tmap |
| INSERT OVERWRITE TABLE dest1_n13 SELECT tmap.tkey, tmap.tvalue WHERE tmap.tkey < 100; |
| |
| SELECT dest1_n13.* FROM dest1_n13; |