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From kumarvishal09 <...@git.apache.org>
Subject [GitHub] incubator-carbondata pull request #642: [CARBONDATA-756] Fixed RLE Encoding ...
Date Mon, 13 Mar 2017 09:06:50 GMT
Github user kumarvishal09 commented on a diff in the pull request:

    https://github.com/apache/incubator-carbondata/pull/642#discussion_r105614538
  
    --- Diff: core/src/main/java/org/apache/carbondata/core/datastore/columnar/BlockIndexerStorageForShort.java
---
    @@ -192,12 +192,23 @@ private void compressDataMyOwnWay(ColumnWithShortIndex[] indexes)
{
         }
         map.add(start);
         map.add(counter);
    -    this.keyBlock = convertToKeyArray(list);
    -    if (indexes.length == keyBlock.length) {
    -      dataIndexMap = new short[0];
    -    } else {
    +    boolean useRle = (((list.size() + map.size()) * 100) / indexes.length) > 70 ?
false : true;
    +    if (useRle) {
    +      this.keyBlock = convertToKeyArray(list);
           dataIndexMap = convertToArray(map);
    +    } else {
    +      this.keyBlock = convertToKeyArray(indexes);
    +      dataIndexMap = new short[0];
    --- End diff --
    
    yes If empty array we will not add Rle encoder in data chunk


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