On Mon, May 15, 2017 at 5:43 PM, Ashutosh Bapat
<ashutosh.bapat@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?
--
Regards,
Dilip Kumar
EnterpriseDB: http://www.enterprisedb.com