GitHub user xuchuanyin opened a pull request:

    https://github.com/apache/carbondata/pull/2174

    [CARBONDATA-2350][DataMap] Fix bugs in minmax datamap example

    Fix bugs in minmax datamap example
    
    Previous implementation of minmax datamap example doesn't work as intended 
and has the following problems:
    + The example cannot run functionally.
    + The minmax datamap doesn't prune blocklet as intended.
    This PR fixed the above problems.
    
    Be sure to do all of the following checklist to help us incorporate 
    your contribution quickly and easily:
    
     - [x] Any interfaces changed?
     `NO`
     - [x] Any backward compatibility impacted?
     `NO`
     - [x] Document update required?
    `NO`
     - [x] Testing done
            Please provide details on 
            - Whether new unit test cases have been added or why no new tests 
are required?
    `Updated the test case`
            - How it is tested? Please attach test report.
    `Tested in local machine`
            - Is it a performance related change? Please attach the performance 
test report.
    `NO`
            - Any additional information to help reviewers in testing this 
change.
          `NO` 
     - [x] For large changes, please consider breaking it into sub-tasks under 
an umbrella JIRA. 
    `Not related`


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

    $ git pull https://github.com/xuchuanyin/carbondata 0416_minmax_dm

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

    https://github.com/apache/carbondata/pull/2174.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 #2174
    
----
commit 77a8b2114857914fd07f4df417b4c99d574abf7b
Author: xuchuanyin <xuchuanyin@...>
Date:   2018-04-16T02:55:10Z

    Fix bugs in minmax datamap example
    
    Fix bugs in minmax datamap example

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