| CREATE TABLE dest_j1(key STRING, value STRING, val2 INT) STORED AS TEXTFILE; |
| |
| -- Mapjoin followed by union is not supported. |
| -- The same query would work without the hint |
| -- Note that there is a positive test with the same name in clientpositive |
| EXPLAIN EXTENDED |
| INSERT OVERWRITE TABLE dest_j1 |
| SELECT /*+ MAPJOIN(x) */ x.key, x.value, subq1.cnt |
| FROM |
| ( SELECT x.key as key, count(1) as cnt from src x where x.key < 20 group by x.key |
| UNION ALL |
| SELECT x1.key as key, count(1) as cnt from src x1 where x1.key > 100 group by x1.key |
| ) subq1 |
| JOIN src1 x ON (x.key = subq1.key); |
| |
| |
| |
| |