| From: | Jeff Janes <jeff(dot)janes(at)gmail(dot)com> |
|---|---|
| To: | gumblex(at)aosc(dot)io, pgsql-bugs(at)lists(dot)postgresql(dot)org |
| Subject: | Re: BUG #15758: regr_* return wrong answers for some valid data |
| Date: | 2019-04-16 13:41:45 |
| Message-ID: | CAMkU=1w9kdRPHNCE=gpP1RFbz7Sb7jD_jhGOJ6mZjoJusQURAQ@mail.gmail.com |
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| Lists: | pgsql-bugs |
On Tue, Apr 16, 2019 at 3:55 AM PG Bug reporting form <
noreply(at)postgresql(dot)org> wrote:
> The following bug has been logged on the website:
>
> Bug reference: 15758
> Logged by: Dingyuan Wang
> Email address: gumblex(at)aosc(dot)io
> PostgreSQL version: 11.2
> Operating system: Debian
> Description:
>
> This can reproduce on at least version 10 or 11, on Debian amd64.
> Given the following data:
>
This will be improved in version 12 when that is released later this year.
See the below commit:
commit e954a727f0c8872bf5203186ad0f5312f6183746
Author: Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com>
Date: Sat Oct 6 11:20:09 2018 +0100
Improve the accuracy of floating point statistical aggregates.
Cheers,
Jeff
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