Hi.~

use mysql;
/Single Table DML/
select * from test.t1; (O)
insert into test.t1 values(1,'AAA'); (O)
update test.t1 a set a.nm='AAA' where a.id=1; (O)
delete from test.t1 a where a.id=1; (O)

/Join DML/
select a., b. from test.t1 a inner join test.t2 b on b.id=a.id where b.id=1; (O)
insert into test.t2 (id,nm) select id,nm from test.t1 where id=1; (X)
ERROR 1815 (HY000): Internal error: load failed. The detailed error information is listed in err.log.
update test.t1 a join test.t2 b on b.id=a.id set a.nm='XFF' where b.id=1; (O)
delete a from test.t1 as a join test.t2 as b on b.id=a.id where b.id=1; (X)
ERROR 1815 (HY000): Internal error: IDB-2006: 'mysql.t1' does not exist in Columnstore.