Re: weird hash plan cost, starting with pg10

Justin Pryzby <pryzby@telsasoft.com>

From: Justin Pryzby <pryzby@telsasoft.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
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: 2020-04-27T16:29:58Z
Lists: pgsql-hackers
On Mon, Apr 27, 2020 at 12:26:03PM -0400, Tom Lane wrote:
> Justin Pryzby <pryzby@telsasoft.com> writes:
> > Checking if you're planning to backpatch this ?
> 
> Are you speaking of 5c27bce7f et al?

Oops, yes, thanks.

I updated wiki/PostgreSQL_13_Open_Items just now.

-- 
Justin



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.