GitHub user gvramana opened a pull request:
https://github.com/apache/carbondata/pull/2496
[CARBONDATA-2737][WIP] Complex type filter as projection push down
select a.c from table1 where a.b = 10;
select a.c from table1 order by a.b;
These cases a.b needs to be pushed down to carbon as "a.b" instead of
fetching complete "a".
Be sure to do all of the following checklist to help us incorporate
your contribution quickly and easily:
- [ ] Any interfaces changed? No
- [ ] Any backward compatibility impacted? No
- [ ] Document update required? No
- [ ] Testing done -Yes
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
test report.
- 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/gvramana/topcarbondata
complex_filter_as_projection
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/carbondata/pull/2496.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 #2496
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commit c5f5d3afc11152e7b0ec7cf24c207c0678063731
Author: Venkata Ramana G <ramana.gollamudi@...>
Date: 2018-07-12T05:29:43Z
complextype filter as projection pushdown
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