| set hive.mapred.mode=nonstrict; |
| SET hive.vectorized.execution.enabled=false; |
| set hive.merge.mapfiles = false; |
| set hive.merge.mapredfiles = false; |
| -- Set merging to false above to make the explain more readable |
| |
| CREATE TABLE T1_n24(a STRING, b STRING, c STRING) ROW FORMAT DELIMITED FIELDS TERMINATED BY ' ' STORED AS TEXTFILE; |
| |
| LOAD DATA LOCAL INPATH '../../data/files/grouping_sets.txt' INTO TABLE T1_n24; |
| |
| -- SORT_QUERY_RESULTS |
| |
| -- This tests that cubes and rollups work fine where the source is a sub-query |
| EXPLAIN |
| SELECT a, b, count(*) FROM |
| (SELECT a, b, count(1) from T1_n24 group by a, b) subq1 group by a, b with cube; |
| |
| EXPLAIN |
| SELECT a, b, count(*) FROM |
| (SELECT a, b, count(1) from T1_n24 group by a, b) subq1 group by cube(a, b); |
| |
| SELECT a, b, count(*) FROM |
| (SELECT a, b, count(1) from T1_n24 group by a, b) subq1 group by a, b with cube; |
| |
| set hive.new.job.grouping.set.cardinality=2; |
| |
| -- Since 4 grouping sets would be generated for the cube, an additional MR job should be created |
| EXPLAIN |
| SELECT a, b, count(*) FROM |
| (SELECT a, b, count(1) from T1_n24 group by a, b) subq1 group by a, b with cube; |
| |
| SELECT a, b, count(*) FROM |
| (SELECT a, b, count(1) from T1_n24 group by a, b) subq1 group by a, b with cube; |