Re: Should 'sum(mvf)' read 'sum(mcv)'...? - Mailing list pgsql-docs

From Julien Rouhaud
Subject Re: Should 'sum(mvf)' read 'sum(mcv)'...?
Date
Msg-id 20220822100836.g3y4ckauuebfnach@jrouhaud
Whole thread Raw
In response to Re: Should 'sum(mvf)' read 'sum(mcv)'...?  (Daniel Gustafsson <daniel@yesql.se>)
Responses Re: Should 'sum(mvf)' read 'sum(mcv)'...?
List pgsql-docs
Hi,

On Mon, Aug 22, 2022 at 11:13:38AM +0200, Daniel Gustafsson wrote:
> > On 22 Aug 2022, at 09:48, Julien Rouhaud <rjuju123@gmail.com> wrote:
> > On Sun, Aug 21, 2022 at 11:02:04PM +0000, PG Doc comments form wrote:
> 
> >> It appears the above sentence is referring to the "(1 - sum(mvf))" portion
> >> of the formula, however I am not sure what "mvf" is referring to
> >> there...shouldn't it be "(1 - sum(mcv))" in order to match what the
> >> explanatory sentence is saying?
> > 
> > It should be mcf, ie. Most Common Frequencies. It looks like a very old typo
> > that survived until now.
> 
> That seems plausible, but it does seem introduced on purpose in f5678e8e075 so
> CC:ing Tom for a trip down memory lane.

That was actually introduced 2 years before in 234d50812c8 by Bruce.

> Looking at this I noticed that we mark up MCV and MCF as acronyms but they
> aren't defined in acronyms.sgml.  ISTM it's a good idea to keep a 1:1 mapping
> between markup and content, so we should probably do that as per the attached?

Agreed, although MCF is only used in planstats.sgml and the acronym defined
locally.



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