use plato; pragma yt.MapJoinLimit="1m"; $t1 = AsList( AsStruct(Just(1) AS Key), AsStruct(Just(2) AS Key), AsStruct(Just(3) AS Key)); $t2 = AsList( AsStruct(Just(Just(2)) AS Key), AsStruct(Just(Just(3)) AS Key), AsStruct(Just(Just(4)) AS Key), AsStruct(Just(Just(5)) AS Key), AsStruct(Just(Just(6)) AS Key)); insert into @t1 select * from as_table($t1); insert into @t2 select * from as_table($t2); commit; select * from @t1 as a join @t2 as b using(Key);