GitHub user akashrn5 opened a pull request:
https://github.com/apache/carbondata/pull/2990
[CARBONDATA-3149]Support alter table column rename
### Why this PR?
This PR is to support column rename feature in carbondata. Carbon already
supports datatype change, alter table add column and drop column. This PR uses
same DDL as datatype change and supports the column rename.
Any column canbe
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.
- 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/akashrn5/incubator-carbondata alter_rename
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/carbondata/pull/2990.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 #2990
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commit e84b09dd244803746fcacd3e9c6eda4105dd7bef
Author: akashrn5 <akashnilugal@...>
Date: 2018-12-14T11:20:09Z
Support alter table column rename
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