Re: BUG #16583: merge join on tables with different DB collation behind postgres_fdw fails

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

From: Tom Lane <tgl@sss.pgh.pa.us>
To: pgsql-hackers@lists.postgresql.org
Cc: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>, jurafejfar@gmail.com
Date: 2021-02-07T07:55:50Z
Lists: pgsql-bugs, pgsql-hackers

Attachments

Rebased over b663a4136 --- no substantive changes, just keeping
the cfbot happy.

			regards, tom lane

Commits

  1. Doc: extend warnings about collation-mismatch hazards in postgres_fdw.

  2. Add support for asynchronous execution.

  3. Suppress unnecessary RelabelType nodes in yet more cases.