On Mon, Mar 14, 2016 at 9:21 PM, Kouhei Kaigai <kai...@ak.jp.nec.com> wrote: > So, even though we don't need to define multiple hook declarations, > I think the hook invocation is needed just after create_xxxx_paths() > for each. It will need to inform extension the context of hook > invocation, the argument list will take UpperRelationKind.
That actually seems like a pretty good point. Otherwise you can't push anything from the upper rels down unless you are prepared to handle all of it. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (email@example.com) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers