| From: | Daniel Gustafsson <daniel(at)yesql(dot)se> |
|---|---|
| To: | krills_87(at)hotmail(dot)com, pgsql-docs(at)lists(dot)postgresql(dot)org |
| Subject: | Re: Minor error |
| Date: | 2020-03-05 09:24:36 |
| Message-ID: | D1210E0C-8FB2-4535-A033-EC922847F8EB@yesql.se |
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| Lists: | pgsql-docs |
> On 28 Feb 2020, at 15:50, PG Doc comments form <noreply(at)postgresql(dot)org> wrote:
>
> The following documentation comment has been logged on the website:
>
> Page: https://www.postgresql.org/docs/12/indexes-partial.html
> Description:
>
> A sentence on this page reads:
> "The system can recognize simple inequality implications, for example “x <
> 1” implies “x < 2”; otherwise the predicate condition must exactly match
> part of the query's WHERE condition or the index will not be recognized as
> usable."
>
> I think it's supposed to read ..."x <=1" implies "x < 2"... ?
Why do you think that? x < 1 clearly implies x < 2 so I don't see what is wrong.
cheers ./daniel
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