| From: | Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com> |
|---|---|
| To: | Konstantin Knizhnik <k(dot)knizhnik(at)postgrespro(dot)ru>, Yugo NAGATA <nagata(at)sraoss(dot)co(dot)jp> |
| Cc: | Rafia Sabih <rafia(dot)pghackers(at)gmail(dot)com>, David Steele <david(at)pgmasters(dot)net>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Columns correlation and adaptive query optimization |
| Date: | 2021-03-10 23:03:05 |
| Message-ID: | 9e6fd3d9-96ce-832d-4e75-0cbc05c648d4@enterprisedb.com |
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| 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
--
Tomas Vondra
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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