Optimizer: Constant folding without CBO skips the aggregates

create temporary table foo (x int) ;
insert into foo values(1),(2),(3),(4),(5);
set hive.explain.user=false;

explain vectorization detail select count(case when (x=1 or false) then 1 else 0 end ) from foo

|                     Group By Operator              |
|                       aggregations: count(CASE WHEN (((x = 1) or false)) THEN (1) ELSE (0) END) |
|                       Group By Vectorization:      |
|                           aggregators: VectorUDAFCount(IfExprLongScalarLongScalar(col 3:boolean, val 1, val 0)(children: VectorUDFAdaptor(((x = 1) or false))(children: LongColEqualLongScalar(col 0:int, val 1) -> 2:boolean) -> 3:boolean) -> 4:int) -> bigint |
|                           className: VectorGroupByOperator |

| OPTIMIZED SQL: SELECT COUNT(CASE WHEN `x` = 1 THEN 1 ELSE 0 END) AS `$f0` |
| FROM `default`.`foo`     

explain vectorization detail select count(true and false and true);

|                     Group By Operator              |
|                       aggregations: count((true and false and true)) |