On 2015/10/07 7:01, Tom Lane wrote: > Robert Haas <[email protected]> writes: >> On Mon, Oct 5, 2015 at 3:05 AM, Etsuro Fujita >> <[email protected]> wrote: >>> I think "best_inner_indexscan()" in the following comment in tidpath.c >>> is obsolete. >>> >>> * There is currently no special support for joins involving CTID; in >>> * particular nothing corresponding to best_inner_indexscan(). Since it's >>> * not very useful to store TIDs of one table in another table, there >>> * doesn't seem to be enough use-case to justify adding a lot of code >>> * for that. >>> >>> How about s/best_inner_indexscan()/parameterized scans/? > >> I'm not sure that's altogether clear. > > Probably consider_index_join_clauses() is the closest current equivalent. > However, it may not be such a great idea to have this comment referencing > a static function in another file, as it wouldn't occur to people to look > here when rewriting indxpath.c. (Ahem.) > > Perhaps "in particular, no ability to produce parameterized paths here".
Works for me. Best regards, Etsuro Fujita -- Sent via pgsql-hackers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
