GitHub user xubo245 opened a pull request:
https://github.com/apache/carbondata/pull/2912 [WIP][CARBONDATA-3079] Improve the C++ SDK read performance by merging column in JNI
supprt readNextStringRow and readNextBatchStringRow
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 test report.
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- [ ] 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/xubo245/carbondata CARBONDATA-3079_mergeColumn
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/carbondata/pull/2912.patchTo close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2912
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commit 4caf0a4427e81192d1dce76270f74a47c8418d24
Author: xubo245 <xubo29@...>
Date: 2018-11-09T09:47:48Z
[CARBONDATA-3079] Improve the C++ SDK read performance by merging column in JNI
supprt readNextStringRow and readNextBatchStringRow
test
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