Re: BUG #13504: Types in math functions table is incorrect

Hi,

On Fri, 17 Jul 2015 12:24:51 -0400 Tom Lane wrote:
> "David G. Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> writes:
> > On Thursday, July 16, 2015, <tgpfeiffer(at)web(dot)de> wrote:
> >> I have not checked all of the functions in that table, but at
> >> least the ones above need to be fixed, I think.
>
> > It would be helpful if you supplied the queries you used to make
> > these determinations.
>
> I think the OP is misreading the table and/or failing to note the
> statement above it: "Many of these functions are provided in multiple
> forms with different argument types. Except where noted, any given
> form of a function returns the same data type as its argument."

Ah, yes, that's exactly what happened...

> [...]
> What the table does *not* say is "ln of any random numeric-category
> datatype returns that same type".

That's what I read out of it, I was somehow assuming "numeric"
describes a "random numeric-category". Sorry, my mistake.

Kind regards,
Tobias