Github user jackylk commented on a diff in the pull request: https://github.com/apache/carbondata/pull/2486#discussion_r202007773 --- Diff: core/src/main/java/org/apache/carbondata/core/datamap/DataMapMeta.java --- @@ -74,6 +74,6 @@ public String getDataMapName() { @Override public String toString() { return "DataMapMeta{" + "dataMapName='" + dataMapName + '\'' + ", indexedColumns=" - + indexedColumns + ", optimizedOperation=" + optimizedOperation + '}'; + + getIndexedColumnNames() + ", optimizedOperation=" + optimizedOperation + '}'; --- End diff -- can you change this to use String.format
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