core/src/main/java/org/apache/carbondata/core/datastore/block/SegmentProperties.java [397:409]:
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  private int assignComplexOrdinal(CarbonDimension parentDimension, int complexDimensionOrdinal) {
    for (int i = 0; i < parentDimension.getNumberOfChild(); i++) {
      CarbonDimension dimension = parentDimension.getListOfChildDimensions().get(i);
      if (dimension.getNumberOfChild() > 0) {
        dimension.setComplexTypeOrdinal(++complexDimensionOrdinal);
        complexDimensionOrdinal = assignComplexOrdinal(dimension, complexDimensionOrdinal);
      } else {
        parentDimension.getListOfChildDimensions().get(i)
            .setComplexTypeOrdinal(++complexDimensionOrdinal);
      }
    }
    return complexDimensionOrdinal;
  }
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core/src/main/java/org/apache/carbondata/core/metadata/schema/table/CarbonTable.java [427:439]:
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  private int assignComplexOrdinal(CarbonDimension parentDimension, int complexDimensionOrdinal) {
    for (int i = 0; i < parentDimension.getNumberOfChild(); i++) {
      CarbonDimension dimension = parentDimension.getListOfChildDimensions().get(i);
      if (dimension.getNumberOfChild() > 0) {
        dimension.setComplexTypeOrdinal(++complexDimensionOrdinal);
        complexDimensionOrdinal = assignComplexOrdinal(dimension, complexDimensionOrdinal);
      } else {
        parentDimension.getListOfChildDimensions().get(i)
            .setComplexTypeOrdinal(++complexDimensionOrdinal);
      }
    }
    return complexDimensionOrdinal;
  }
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