Re: SAMPLE aggregate function

good morning;

On 8 Jul 2014, at 00:27, Jeremy J Carroll <jjc@syapse.com> wrote:

> 
> 
> I was thinking about SAMPLE and feel that there is a bug with the spec because it allows
> 
> 
> A=1 B=2
> 
> as an answer from
> 
> SELECT (SAMPLE(?a) as ?A) (SAMPLE(?b) as ?B)
> {
>   { BIND(1 as ?a) BIND(1 as ?b)}
>   UNION
>  { BIND(2 as ?a) BIND(2 as ?b)}
> }
> 
> 
> I think the principal of least surprise would suggest that a single select should use the same solution to pick out the sample values, giving either 1,1 or 2,2 as possible solutions here.

what would be the consequence of a solution in which one of the variables was not bound?

> 
> Jeremy
> 
> 
> 

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