Github user ravipesala commented on a diff in the pull request: https://github.com/apache/carbondata/pull/2649#discussion_r213557677 --- Diff: core/src/main/java/org/apache/carbondata/core/metadata/schema/table/TableSchemaBuilder.java --- @@ -232,6 +235,10 @@ private ColumnSchema addColumn(StructField field, String parentName, AtomicInteg for (int i = 0; i < fields.size(); i++) { addColumn(fields.get(i), parentFieldName, valIndex, false, true); } + } else if (field.getDataType().getName().equalsIgnoreCase("MAP")) { --- End diff -- Please use `DataTypes.isMapType(field.getDataType())`
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