Re: weird hash plan cost, starting with pg10

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

From: Tom Lane <tgl@sss.pgh.pa.us>
To: Justin Pryzby <pryzby@telsasoft.com>
Cc: Konstantin Knizhnik <k.knizhnik@postgrespro.ru>, Richard Guo <guofenglinux@gmail.com>, Thomas Munro <thomas.munro@gmail.com>, Alvaro Herrera <alvherre@2ndquadrant.com>, pgsql-hackers@lists.postgresql.org
Date: 2020-04-27T16:26:03Z
Lists: pgsql-hackers
Justin Pryzby <pryzby@telsasoft.com> writes:
> Checking if you're planning to backpatch this ?

Are you speaking of 5c27bce7f et al?

			regards, tom lane



Commits

  1. Make EXPLAIN report maximum hashtable usage across multiple rescans.

  2. Clear dangling pointer to avoid bogus EXPLAIN printout in a corner case.

  3. psql: Add tab completion for logical replication

  4. Make the upper part of the planner work by generating and comparing Paths.