apache/incubator-drill — pull request #49 by mehant (2014-04-13 09:02:43+00:00)
Title: DRILL-505 Implement hash join operator

Support for left outer, right outer and full joins
Tests and multi batch outer join WIP

Support for multiple join conditions
Add following tests
- Multiple condition join
- Join on JSON scan
- Multi batch join
- Simple equality join

Fix memory leaks

Cleanup