| set hive.mapred.mode=nonstrict; |
| set hive.optimize.skewjoin.compiletime = true; |
| |
| CREATE TABLE T1_n88(key STRING, value STRING) STORED AS TEXTFILE; |
| |
| LOAD DATA LOCAL INPATH '../../data/files/T1.txt' INTO TABLE T1_n88; |
| |
| drop table array_valued_T1_n0; |
| create table array_valued_T1_n0 (key string, value array<string>) SKEWED BY (key) ON ((8)); |
| insert overwrite table array_valued_T1_n0 select key, array(value) from T1_n88; |
| |
| -- This test is to verify the skew join compile optimization when the join is followed by a lateral view |
| -- adding a order by at the end to make the results deterministic |
| |
| explain |
| select * from (select a.key as key, b.value as array_val from T1_n88 a join array_valued_T1_n0 b on a.key=b.key) i lateral view explode (array_val) c as val; |
| |
| select * from (select a.key as key, b.value as array_val from T1_n88 a join array_valued_T1_n0 b on a.key=b.key) i lateral view explode (array_val) c as val |
| ORDER BY key, val; |
