On Thu, Jun 16, 2016 at 10:44 PM, Etsuro Fujita <fujita.ets...@lab.ntt.co.jp> wrote: > On 2016/06/16 22:00, Robert Haas wrote: >> On Thu, Jun 16, 2016 at 7:05 AM, Etsuro Fujita >> <fujita.ets...@lab.ntt.co.jp> wrote: >>> >>> ISTM that a robuster solution to this is to push down the ft1-ft2-ft3 >>> join >>> with the PHV by extending deparseExplicitTargetList() and/or something >>> else >>> so that we can send the remote query like: >>> >>> select ft1.a, (ft3.a IS NOT NULL) from (ft1 inner join ft2 on ft1.a = >>> ft2.a) >>> left join ft3 on ft1.a = ft3.a > >> I completely agree we should have that, but not for 9.6. > > OK, I'll work on that for 10.0.
Great, that will be a nice improvement. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers