|From:||Etsuro Fujita <fujita(dot)etsuro(at)lab(dot)ntt(dot)co(dot)jp>|
|Subject:||Re: Odd oid-system-column handling in postgres_fdw|
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On 2016/03/16 16:25, Etsuro Fujita wrote:
> PG9.5 allows us to add an oid system column to foreign tables, using
> ALTER FOREIGN TABLE SET WITH OIDS, but currently, that column reads as
> zeroes in postgres_fdw. That seems to me like a bug. So, I'd like to
> propose to fix that, by retrieving that column from the remote server
> when requested. I'm attaching a proposed patch for that.
I rebased the patch against HEAD. Updated patch attached. I don't
think this is a 9.6 issue, but I think this is somewhat related to the
9.6 issue  that postgres_fdw join pushdown incorrectly retrieves
system columns other than ctid and oid from the remote server, so ISTM
that it's better to address this in conjunction with .
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