GitHub user qiuchenjian opened a pull request:
https://github.com/apache/carbondata/pull/3025
[CARBONDATA-3199]"show datamap" represents preaggregate datamap
[Problem] "show datamap" command doesn't represents preaggregate datamap,
it only represents bloom filter datamap
[Solution]PreAggregateDataMapProvider save datamap schema on hdfs or s3, so
that CarbonDataMapShowCommand can get all datamap
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.
saveDataMapSchema
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/qiuchenjian/carbondata CARBONDATA-3199
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/carbondata/pull/3025.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 #3025
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commit 29e08cc877a2c820520f1cafd8c2d098ba620012
Author: qiuchenjian <807169000@...>
Date: 2018-12-26T13:32:24Z
[CARBONDATA-3199]"show datamap" represents preaggregate datamap
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