On Mon, Sep 18, 2017 at 1:29 PM, Tom Lane <t...@sss.pgh.pa.us> wrote: > Uh, why does the planner need to be involved at all?
Because it loses if the Bloom filter fails to filter anything. That's not at all far-fetched; consider SELECT * FROM a.x, b.x WHERE a.x = b.x given a foreign key on a.x referencing b(x). -- 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