| set hive.mapred.mode=nonstrict; |
| set hive.auto.convert.join = true; |
| |
| CREATE TABLE myinput1_n0(key int, value int); |
| LOAD DATA LOCAL INPATH '../../data/files/in3.txt' INTO TABLE myinput1_n0; |
| |
| SET hive.optimize.bucketmapjoin = true; |
| SET hive.optimize.bucketmapjoin.sortedmerge = true; |
| SET hive.input.format = org.apache.hadoop.hive.ql.io.BucketizedHiveInputFormat; |
| |
| EXPLAIN SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n0 a FULL OUTER JOIN myinput1_n0 b on a.key = 40 AND b.key = 40; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n0 a FULL OUTER JOIN myinput1_n0 b on a.key = 40 AND b.key = 40; |
| |
| EXPLAIN SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n0 a FULL OUTER JOIN myinput1_n0 b on a.key = 40 AND a.value = 40 AND a.key = a.value AND b.key = 40; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n0 a FULL OUTER JOIN myinput1_n0 b on a.key = 40 AND a.key = a.value AND b.key = 40; |
| |
| EXPLAIN SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n0 a FULL OUTER JOIN myinput1_n0 b on a.key = 40 AND a.key = b.key AND b.key = 40; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n0 a FULL OUTER JOIN myinput1_n0 b on a.key = 40 AND a.key = b.key AND b.key = 40; |
| |
| EXPLAIN SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n0 a FULL OUTER JOIN myinput1_n0 b on a.key > 40 AND a.value > 50 AND a.key = a.value AND b.key > 40 AND b.value > 50 AND b.key = b.value; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n0 a FULL OUTER JOIN myinput1_n0 b on a.key > 40 AND a.value > 50 AND a.key = a.value AND b.key > 40 AND b.value > 50 AND b.key = b.value; |