[GitHub] incubator-carbondata pull request #843: [CARBONDATA-978] Range Filter Evalua...

[ravipesala <gi...@git.apache.org>]

Github user ravipesala commented on a diff in the pull request:

    https://github.com/apache/incubator-carbondata/pull/843#discussion_r112919687
  
    --- Diff: core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RangeValueFilterExecuterImpl.java ---
    @@ -431,14 +426,9 @@ private BitSet setFilterdIndexToBitSetWithColumnIndex(
             if (start == numerOfRows) {
               start = start - 1;
             }
    -        // Method will compare the tentative index value after binary search, this tentative
    -        // index needs to be compared by the filter member if its >= filter then from that
    -        // index the bitset will be considered for filtering process.
    -        if ((lessThanExp == true) && (ByteUtil.compare(filterValues[1],
    -            dimensionColumnDataChunk.getChunkData(dimensionColumnDataChunk.getInvertedIndex(start)))
    -            < 0)) {
    -          start = start - 1;
    -        } else if ((lessThanEqualExp == true) && (ByteUtil.compare(filterValues[1],
    +        // In case the start is less than 0, then positive value of start is pointing to the next
    +        // value of the searched key. So move to the previous one.
    +        if ((ByteUtil.compare(filterValues[1],
    --- End diff --
    
    Please don't use this compare method, it does not compare based on length


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