Github user jackylk commented on a diff in the pull request: https://github.com/apache/carbondata/pull/971#discussion_r119886349 --- Diff: core/src/main/java/org/apache/carbondata/core/datastore/page/statistics/ColumnPageStatistics.java --- @@ -33,30 +34,30 @@ * the unique value is the non-exist value in the row, * and will be used as storage key for null values of measures */ - private Object uniqueValue; + private Object nonExistValue; --- End diff -- But it will be written into file by `CarbonMetadataUtil.serializeEncodeMetaUsingByteBuffer`, you mean read path is not using it?
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