Re: Documentation of return values of range functions lower and upper - Mailing list pgsql-docs

From Laurenz Albe
Subject Re: Documentation of return values of range functions lower and upper
Date
Msg-id 53ec9f116bea9252d7fa9341e024530553656c42.camel@cybertec.at
Whole thread Raw
In response to Documentation of return values of range functions lower and upper  (PG Doc comments form <noreply@postgresql.org>)
Responses Re: Documentation of return values of range functions lower and upper  (Laurenz Albe <laurenz.albe@cybertec.at>)
List pgsql-docs
On Wed, 2020-11-11 at 09:25 +0000, PG Doc comments form wrote:
> Table 9.54 in page
> https://www.postgresql.org/docs/current/functions-range.html states that the
> functions lower and upper return NULL if the requested bound is infinite. If
> the element type of the range contains the special values infinity and
> -infinity, this is not correct, as those values are returned if explicitly
> used as either bound.

+1

Perhaps it would be better to say

  NULL if the range is empty or has no lower/upper bound

Yours,
Laurenz Albe




pgsql-docs by date:

Previous
From: Chris Wilson
Date:
Subject: Re: What does "[backends] should seldom or never need to wait for a write to occur" mean?
Next
From: Bruce Momjian
Date:
Subject: Re: Addition to content