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From kumarvishal09 <>
Subject [GitHub] carbondata pull request #1464: [WIP][CARBONDATA-1523]Pre Aggregate table sel...
Date Fri, 03 Nov 2017 13:19:48 GMT
GitHub user kumarvishal09 opened a pull request:

    [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

You can merge this pull request into a Git repository by running:

    $ git pull pre-aggregate_Query

Alternatively you can review and apply these changes as the patch at:

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
commit 4cc40cf6cd68f4e4c1e6cb613b3e28c5bf6024e0
Author: kumarvishal <>
Date:   2017-10-30T07:14:32Z

    aggregation selector



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