GitHub user ravipesala opened a pull request:
https://github.com/apache/carbondata/pull/2444
[CARBONDATA-2686] Implement Left join on MV datamap
Code ported from another branch done by @eychih to implement Left outer
join.
Be sure to do all of the following checklist to help us incorporate
your contribution quickly and easily:
- [ ] Any interfaces changed?
- [ ] Any backward compatibility impacted?
- [ ] Document update required?
- [ ] Testing done
Please provide details on
- Whether new unit test cases have been added or why no new tests
are required?
- How it is tested? Please attach test report.
- Is it a performance related change? Please attach the performance
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- Any additional information to help reviewers in testing this
change.
- [ ] For large changes, please consider breaking it into sub-tasks under
an umbrella JIRA.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ravipesala/incubator-carbondata left-join
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/carbondata/pull/2444.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 #2444
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commit 354cc01a1be116efbba4f1e5fecf97f76ce3ee61
Author: eychih <eychih@...>
Date: 2018-06-01T02:10:34Z
add matching LEFTJOIN VIEW
commit 07828da6834290e713d45fe4acc81a61de3656b3
Author: eychih <eychih@...>
Date: 2018-06-07T01:14:24Z
add changes for advisor to recommend leftjoin view
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