protected void spillRow(VectorizedRowBatch batch, int batchIndex, int partitionId)
          throws HiveException, IOException {

    if (bigTableVectorSerializeRow == null) {
      setupSpillSerDe(batch);
    }

    spillSerializeRow(batch, batchIndex, partitionId);
  }
Generate optimized results when entire batch key is repeated and it matched the hash map.

@param batch
         The big table batch.
@param hashMapResult
         The hash map results for the repeated key.
ql/src/java/org/apache/hadoop/hive/ql/exec/vector/mapjoin/VectorMapJoinGenerateResultOperator.java