Re: [HACKERS] postgres_fdw bug in 9.6

Robert Haas <robertmhaas@gmail.com>

From: Robert Haas <robertmhaas@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Etsuro Fujita <fujita.etsuro@lab.ntt.co.jp>, Ashutosh Bapat <ashutosh.bapat@enterprisedb.com>, Jeff Janes <jeff.janes@gmail.com>, David Steele <david@pgmasters.net>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2018-01-30T19:56:06Z
Lists: pgsql-hackers
On Sat, Jan 20, 2018 at 12:20 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> It looks like Etsuro-san's proposed patch locks down the choice of
> plan more tightly, which is probably a reasonable answer.

OK, committed.  I added a comment along the lines you suggested
previously, since this no longer seems like a generic test that
happens to involve a bunch of merge joins.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


Commits

  1. Fix test case for 'outer pathkeys do not match mergeclauses' fix.

  2. postgres_fdw: Avoid 'outer pathkeys do not match mergeclauses' error.

  3. postgres_fdw: Consider foreign joining and foreign sorting together.

  4. Allow foreign and custom joins to handle EvalPlanQual rechecks.

  5. Allow FDWs to push down quals without breaking EvalPlanQual rechecks.