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From ravipesala <...@git.apache.org>
Subject [GitHub] carbondata pull request #1751: [CARBONDATA-1971][Blocklet Prunning] Measure ...
Date Fri, 05 Jan 2018 08:41:06 GMT
Github user ravipesala commented on a diff in the pull request:

    https://github.com/apache/carbondata/pull/1751#discussion_r159829085
  
    --- Diff: format/src/main/thrift/carbondata.thrift ---
    @@ -45,6 +45,7 @@ struct BlockletBTreeIndex{
     struct BlockletMinMaxIndex{
         1: required list<binary> min_values; //Min value of all columns of one blocklet
Bit-Packed
         2: required list<binary> max_values; //Max value of all columns of one blocklet
Bit-Packed
    +    3: optional list<byte> null_value;   // Null Bool turn on if null value present.
    --- End diff --
    
    Better use binary and try to use BitSet for null values


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