| From: | Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com> |
|---|---|
| To: | Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com> |
| Cc: | Justin Pryzby <pryzby(at)telsasoft(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: PoC/WIP: Extended statistics on expressions |
| Date: | 2021-03-24 17:15:46 |
| Message-ID: | CAEZATCXM0yC8i1x=hrkgqZVDQR6xjp2UYH7ZFHxY-G5nOb0ejw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, 24 Mar 2021 at 16:48, Tomas Vondra
<tomas(dot)vondra(at)enterprisedb(dot)com> wrote:
>
> As for the changes proposed in the create_statistics, do we really want
> to use univariate / multivariate there? Yes, the terms are correct, but
> I'm not sure how many people looking at CREATE STATISTICS will
> understand them.
>
Hmm, I think "univariate" and "multivariate" are pretty ubiquitous,
when used to describe statistics. You could use "single-column" and
"multi-column", but then "column" isn't really right anymore, since it
might be a column or an expression. I can't think of any other terms
that fit.
Regards,
Dean
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