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
Yes. But it's not necessary to have all children use same FDW.
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