public boolean containsOutputColumn(int outputColumn) {
    return vectorColumnMapping.orderedColumnsContain(outputColumn);
  }
This class collects column information for copying a row from one VectorizedRowBatch to
same/another batch.

In this variation, column information is ordered by the output column number.
ql/src/java/org/apache/hadoop/hive/ql/exec/vector/VectorColumnOutputMapping.java