private void markBigTableColumnsAsNullRepeating() {

    /*
     * For non-match FULL OUTER Small Table results, the Big Table columns are all NULL.
     */
    for (int column : bigTableRetainColumnMap) {
      ColumnVector colVector = overflowBatch.cols[column];
      colVector.isRepeating = true;
      colVector.noNulls = false;
      colVector.isNull[0] = true;
    }
  }
Generate the non-match outer join output results for the whole repeating vectorized
row batch.

Each row will get nulls for all small table values.

@param batch
         The big table batch.
ql/src/java/org/apache/hadoop/hive/ql/exec/vector/mapjoin/VectorMapJoinOuterGenerateResultOperator.java