public static void setOrderedSequenceLongCol(LongColumnVector col) {
    int size = col.vector.length;
    for(int i = 0; i < size; i++) {
      col.vector[i] = i;
    }
  }
Set the vector to sample data that is a monotonous sequence of numbers: 0, 1, 2, ...
@param col
ql/src/test/org/apache/hadoop/hive/ql/exec/vector/TestVectorizedRowBatch.java