Re: Documentation of return values of range functions lower and upper

On Wed, 2020-11-11 at 18:19 +0100, Laurenz Albe 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

Here is a patch for this.

Yours,
Laurenz Albe