| From: | Josh Berkus <josh(at)agliodbs(dot)com> |
|---|---|
| To: | Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp> |
| Cc: | amit(dot)kapila(at)huawei(dot)com, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Reduce maximum error in tuples estimation after vacuum. |
| Date: | 2013-07-08 19:17:37 |
| Message-ID: | 51DB1051.8050404@agliodbs.com |
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| Lists: | pgsql-hackers |
On 07/03/2013 12:51 AM, Kyotaro HORIGUCHI wrote:
> It is tough to decide how to modify there. Currently I decided to
> preserve vac_estimate_reltuples as possible as it is. For that
> objective, I picked up old_rel_tuples as intermediate variable
> for the aid to 'deceive' the function. This can be different form
> deciding to separate this estimation function from that for
> analyze.
Kyotaro, do you think you'll be revising this patch in the next 2 days,
or should I bounce it, and you can resubmit it for the next commitfest?
--
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com
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