DBT3 query 16 returned incorrect result

Build tested: alpha 1.0.1

mscadmin> getsoft
getsoftwareinfo Fri Jul 1 18:33:11 2016

Name : mariadb-columnstore-platform
Version : 1.0
Release : 1
Architecture: x86_64
Install Date: Fri 24 Jun 2016 07:28:00 PM UTC

Create a DBT3 (TPCH) database and load 1gb of data

execute the query #16

--------------
select
p_brand,
p_type,
p_size,
count(distinct ps_suppkey) as supplier_cnt
from
partsupp,
part
where
p_partkey = ps_partkey
and p_brand <> 'Brand#25'
and p_type not like 'MEDIUM BRUSHED%'
and p_size in (1, 37, 22, 30, 12, 26, 39, 43)
and ps_suppkey not in (
select
s_suppkey
from
supplier
where
s_comment like '%Customer%Complaints%'
)
group by
p_brand,
p_type,
p_size
order by
supplier_cnt desc,
p_brand,
p_type,
p_size;

ColumnStore returned 19069 rows:
.
.
.

-----------------------------------------------------+
19069 rows in set (0.31 sec)

The same query on InnoDB returned 18284 rows:
.
.
.

-----------------------------------------------------+
18284 rows in set (0.26 sec)