// only red qualifies, and it's in entry 0
Assert.assertTrue(batch.size == 1);
Assert.assertTrue(batch.selected[0] == 0);
batch = makeStringBatch();
expr = new FilterCharScalarGreaterStringGroupColumn(new HiveChar(new String(red2), 8), 0);
expr.evaluate(batch);
// only green qualifies, and it's in entry 1
Assert.assertTrue(batch.size == 1);
Assert.assertTrue(batch.selected[0] == 1);