MM tables - IOW is not ACID compliant

drop table iow0_mm;
create table iow0_mm(key int) tblproperties("transactional"="true", "transactional_properties"="insert_only");
insert overwrite table iow0_mm select key from intermediate;
insert into table iow0_mm select key + 1 from intermediate;
select * from iow0_mm order by key;
insert overwrite table iow0_mm select key + 2 from intermediate;
select * from iow0_mm order by key;
drop table iow0_mm;


drop table iow1_mm; 
create table iow1_mm(key int) partitioned by (key2 int)  tblproperties("transactional"="true", "transactional_properties"="insert_only");
insert overwrite table iow1_mm partition (key2)
select key as k1, key from intermediate union all select key as k1, key from intermediate;
insert into table iow1_mm partition (key2)
select key + 1 as k1, key from intermediate union all select key as k1, key from intermediate;
select * from iow1_mm order by key, key2;
insert overwrite table iow1_mm partition (key2)
select key + 3 as k1, key from intermediate union all select key + 4 as k1, key from intermediate;
select * from iow1_mm order by key, key2;
insert overwrite table iow1_mm partition (key2)
select key + 3 as k1, key + 3 from intermediate union all select key + 2 as k1, key + 2 from intermediate;
select * from iow1_mm order by key, key2;
drop table iow1_mm;

drop table simple_mm;
create table simple_mm(key int) stored as orc tblproperties ("transactional"="true", "transactional_properties"="insert_only");
insert into table simple_mm select key from intermediate;
-insert overwrite table simple_mm select key from intermediate;