@SuppressWarnings("unchecked")
  @Test
  public void testMinLongConcatRepeat () throws HiveException {
    testAggregateLongIterable ("min",
        new FakeVectorRowBatchFromConcat(
            new FakeVectorRowBatchFromRepeats(
                new Long[] {19L}, 10, 2),
            new FakeVectorRowBatchFromRepeats(
                new Long[] {7L}, 15, 2),
            new FakeVectorRowBatchFromRepeats(
                new Long[] {19L}, 10, 2)),
         7L);
  }
Unit test for the vectorized GROUP BY operator.
ql/src/test/org/apache/hadoop/hive/ql/exec/vector/TestVectorGroupByOperator.java