Push TopN through Join. JoinType just can be left/right outer join or cross join, because data of their one child can't be filtered. new TopN is (original limit + original offset, 0) as limit and offset.
Push TopN through Join. JoinType just can be left/right outer join or cross join, because data of their one child can't be filtered. new TopN is (original limit + original offset, 0) as limit and offset.