GitHub user kevinjmh opened a pull request:

    https://github.com/apache/carbondata/pull/2696

    [CARBONDATA-2902][DataMap] Fix showing negative pruning result for explain 
command

    #2676 used method `ByteBuffer.getShort(int index)` to get number of 
blocklets in block, but it used wrong parameter. The `index` is index of byte 
instead of index of short. So it needs to multiply bytes of short type
    
    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 
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            - How it is tested? Please attach test report.
            - Is it a performance related change? Please attach the performance 
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     - [ ] For large changes, please consider breaking it into sub-tasks under 
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You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/kevinjmh/carbondata explain_fix

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

    https://github.com/apache/carbondata/pull/2696.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 #2696
    
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commit 1cdfc5c8e592f53170cf942bfbb45cc5e5d67719
Author: Manhua <kevinjmh@...>
Date:   2018-09-06T09:09:21Z

    fix negative blocklet skipped when cache level is block

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