GitHub user mehant opened a pull request:
https://github.com/apache/incubator-drill/pull/49
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
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mehant/incubator-drill DRILL-505_hash_join
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-drill/pull/49.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #49
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commit 1969f911a6a8d440e3b4eb7c580c2d53cf0d06c7
Author: Mehant Baid <[email protected]>
Date: 2014-02-25T09:09:06Z
DRILL-505 Hash Join basic changes
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
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