Re: Possible Errata re CONCAT and COALESCE for SPARQL 1.1 Query

On 22 Aug 2013, at 11:44, james anderson <james.anderson@setf.de> wrote:

> good afternoon;
> 
> On 22 Aug 2013, at 11:45 AM, Steve Harris wrote:
> 
>> On 21 Aug 2013, at 18:09, Andy Seaborne <andy@apache.org> wrote:
>> 
>>>>>> [...]
>>> 
>>> I agree : zero=> "" and one => the one argument.
>>> 
>>> This would make CONCAT like GROUP_CONCAT.
>> 
>> OK, that would make sense then.
>> 
>> What does STR() return? If that's "" as well, then I think it's pretty clear that's the right answer.
> 
> str does not permit a variable number of arguments.

Right, of course not.

- Steve