GitHub user kumarvishal09 opened a pull request:
https://github.com/apache/carbondata/pull/1464
[WIP][CARBONDATA-1523]Pre Aggregate table selection and Query Plan changes
Add the API in carbon layer to get suitable aggregation table for group by
query. Update query plan in carbon optimizer to support aggregation tables for
group by queries.
Be sure to do all of the following checklist to help us incorporate
your contribution quickly and easily:
- [ ] Any interfaces changed: None
- [ ] Any backward compatibility impacted: None
- [ ] Document update required- Yes
- [ ] 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/kumarvishal09/incubator-carbondata
pre-aggregate_Query
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/carbondata/pull/1464.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 #1464
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commit 4cc40cf6cd68f4e4c1e6cb613b3e28c5bf6024e0
Author: kumarvishal <[email protected]>
Date: 2017-10-30T07:14:32Z
aggregation selector
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