On Mon, May 15, 2017 at 6:04 PM, Dilip Kumar <dilipbal...@gmail.com> wrote: > On Mon, May 15, 2017 at 5:43 PM, Ashutosh Bapat > <ashutosh.ba...@enterprisedb.com> wrote: >> Yes. postgresAddForeignUpdateTargets() which is called by >> rewriteTargetListUD injects "ctid". "wholerow" is always there. Not >> for postgres_fdw but for other wrappers it might be a bad news. ctid, >> whole row obtained from the remote postgres server will fit the tuple >> descriptor of parent, but for other FDWs the column injected by >> rewriteTargetListUD() may make the child tuple look different from >> that of the parent, so we may not pass that column down to the child. > > But, can't we call rewriteTargetListUD for all the inheritors if the > inheritor is a foreign table which will intern call the > postgresAddForeignUpdateTargets? > Yes. But it's not necessary to have all children use same FDW.
-- Best Wishes, Ashutosh Bapat EnterpriseDB Corporation The Postgres Database Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
