Github user ravipesala commented on a diff in the pull request: https://github.com/apache/carbondata/pull/1751#discussion_r159832127 --- Diff: core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataRefNodeWrapper.java --- @@ -99,6 +99,10 @@ public BlockletDataRefNodeWrapper(List<TableBlockInfo> blockInfos, int index, return null; } + @Override public byte[] getColumnsNullValue() { --- End diff -- Change byte[] to BitSet
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