@Test
// Test string column to VARCHAR literal comparison
public void testStringColCompareVarCharScalarFilter() {
VectorizedRowBatch batch = makeStringBatch();
VectorExpression expr;
expr = new FilterStringGroupColEqualVarCharScalar(0, new HiveVarchar(new String(red2), 10));
expr.evaluate(batch);
// only red qualifies, and it's in entry 0
Assert.assertTrue(batch.size == 1);
Assert.assertTrue(batch.selected[0] == 0);