| set hive.mapred.mode=nonstrict; |
| set hive.auto.convert.join = true; |
| |
| CREATE TABLE myinput1_n2(key int, value int); |
| LOAD DATA LOCAL INPATH '../../data/files/in1.txt' INTO TABLE myinput1_n2; |
| |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n2 a JOIN myinput1_n2 b; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n2 a LEFT OUTER JOIN myinput1_n2 b; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n2 a RIGHT OUTER JOIN myinput1_n2 b; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n2 a JOIN myinput1_n2 b ON a.key = b.value; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n2 a JOIN myinput1_n2 b ON a.key = b.key; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n2 a JOIN myinput1_n2 b ON a.value = b.value; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n2 a JOIN myinput1_n2 b ON a.value = b.value and a.key=b.key; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n2 a LEFT OUTER JOIN myinput1_n2 b ON a.key = b.value; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n2 a LEFT OUTER JOIN myinput1_n2 b ON a.value = b.value; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n2 a LEFT OUTER JOIN myinput1_n2 b ON a.key = b.key; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n2 a LEFT OUTER JOIN myinput1_n2 b ON a.key = b.key and a.value=b.value; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n2 a RIGHT OUTER JOIN myinput1_n2 b ON a.key = b.value; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n2 a RIGHT OUTER JOIN myinput1_n2 b ON a.key = b.key; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n2 a RIGHT OUTER JOIN myinput1_n2 b ON a.value = b.value; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n2 a RIGHT OUTER JOIN myinput1_n2 b ON a.key=b.key and a.value = b.value; |
| SET hive.mapjoin.full.outer=false; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n2 a FULL OUTER JOIN myinput1_n2 b ON a.key = b.value; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n2 a FULL OUTER JOIN myinput1_n2 b ON a.key = b.key; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n2 a FULL OUTER JOIN myinput1_n2 b ON a.value = b.value; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n2 a FULL OUTER JOIN myinput1_n2 b ON a.value = b.value and a.key=b.key; |
| SET hive.mapjoin.full.outer=true; |
| SET hive.merge.nway.joins=false; |
| EXPLAIN SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n2 a FULL OUTER JOIN myinput1_n2 b ON a.key = b.value; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n2 a FULL OUTER JOIN myinput1_n2 b ON a.key = b.value; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n2 a FULL OUTER JOIN myinput1_n2 b ON a.key = b.key; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n2 a FULL OUTER JOIN myinput1_n2 b ON a.value = b.value; |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n2 a FULL OUTER JOIN myinput1_n2 b ON a.value = b.value and a.key=b.key; |
| SET hive.merge.nway.joins=true; |
| |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) from myinput1_n2 a LEFT OUTER JOIN myinput1_n2 b ON (a.value=b.value) RIGHT OUTER JOIN myinput1_n2 c ON (b.value=c.value); |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) from myinput1_n2 a RIGHT OUTER JOIN myinput1_n2 b ON (a.value=b.value) LEFT OUTER JOIN myinput1_n2 c ON (b.value=c.value); |
| SELECT sum(hash(a.key,a.value,b.key,b.value)) FROM myinput1_n2 a LEFT OUTER JOIN myinput1_n2 b RIGHT OUTER JOIN myinput1_n2 c ON a.value = b.value and b.value = c.value; |
| |