Re: [HACKERS] postgres_fdw bug in 9.6

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

From: Tom Lane <tgl@sss.pgh.pa.us>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Ashutosh Bapat <ashutosh.bapat@enterprisedb.com>, Etsuro Fujita <fujita.etsuro@lab.ntt.co.jp>, Jeff Janes <jeff.janes@gmail.com>, David Steele <david@pgmasters.net>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2018-01-17T20:37:34Z
Lists: pgsql-hackers
Robert Haas <robertmhaas@gmail.com> writes:
> Thanks for the review.  Updated patch attached.

Looks OK to me.  Would it be worth annotating the added regression test
case with a comment that this once caused EPQ-related planning problems?

			regards, tom lane


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.