Re: Columns correlation and adaptive query optimization
Tomas Vondra <tomas.vondra@enterprisedb.com>
From: Tomas Vondra <tomas.vondra@enterprisedb.com>
To: Konstantin Knizhnik <k.knizhnik@postgrespro.ru>,
Yugo NAGATA <nagata@sraoss.co.jp>
Cc: Rafia Sabih <rafia.pghackers@gmail.com>,
David Steele <david@pgmasters.net>,
PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2021-03-10T23:03:05Z
Lists: pgsql-hackers
On 3/10/21 3:00 AM, Tomas Vondra wrote: > Hello Konstantin, > > > Sorry for not responding to this thread earlier. I definitely agree the > features proposed here are very interesting and useful, and I appreciate > you kept rebasing the patch. > > I think the patch improving join estimates can be treated as separate, > and I see it already has a separate CF entry - it however still points > to this thread, which will be confusing. I suggest we start a different > thread for it, to keep the discussions separate. > D'oh! I must have been confused yesterday, because now I see there already is a separate thread [1] for the join selectivity patch. So you can ignore this. regards [1] https://www.postgresql.org/message-id/flat/71d67391-16a9-3e5e-b5e4-8f7fd32cc1b2@postgrespro.ru -- Tomas Vondra EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company