GitHub user xubo245 opened a pull request:
https://github.com/apache/carbondata/pull/2717
[CARBONDATA-2932] FIx CarbonReader Projection cann't be empty exception
run org.apache.carbondata.examples.sdk.CarbonReaderExample and then some
exception.
This PR fixd it. conclude:
1.close carbonReader after finished read, which solved the exception.
2.add example code for varchar and array<String>, including read and write
Be sure to do all of the following checklist to help us incorporate
your contribution quickly and easily:
- [ X] Any interfaces changed?
No
- [ X] Any backward compatibility impacted?
No
- [X ] Document update required?
No
- [X] Testing done
fix example
- [ X] For large changes, please consider breaking it into sub-tasks under
an umbrella JIRA.
No
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/xubo245/carbondata
CARBONDATA-2932-CarbonReaderProjection
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/carbondata/pull/2717.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 #2717
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commit d98cbe8f0464d4bacec025d6d8fe10223cd3eac1
Author: xubo245 <xubo29@...>
Date: 2018-09-13T11:09:30Z
[CARBONDATA-2932] FIx CarbonReader Projection cann't be empty exception
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