Horton

Re: postgres_fdw: perform UPDATE/DELETE .. RETURNING on a join directly

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Etsuro Fujita <fujita.etsuro@lab.ntt.co.jp>, Pg Hackers <pgsql-hackers@postgresql.org>, Rushabh Lathia <rushabh.lathia@gmail.com>, Michael Paquier <michael.paquier@gmail.com>, Ashutosh Bapat <ashutosh.bapat@enterprisedb.com>
Date: 2018-02-09T18:33:08Z
Lists: pgsql-hackers

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Robert Haas <robertmhaas@gmail.com> writes:
> Me neither.  I just ran the postgres_fdw regression tests 713 times in
> a row without a failure.  Tom, since you seem to be able to reproduce
> the problem locally, could you have a look at this proposed fix?

I'm a bit busy, but AFAICS it's just a timing thing, so try inserting
a sleep.  The attached is enough to reproduce rhinoceros' results
for me.

			regards, tom lane

Commits

  1. Temporarily instrument postgres_fdw test to look for statistics changes.

  2. postgres_fdw: Fourth attempt to stabilize regression tests.

  3. postgres_fdw: Third attempt to stabilize regression tests.

  4. postgres_fdw: Attmempt to stabilize regression tests.

  5. postgres_fdw: Push down UPDATE/DELETE joins to remote servers.