RE: ORA-FO-UNORDERED 15.1.15 fn:unordered

> But then, please, don't call it a function if it is not a 
> function. (Dimitre, help! ;-) )

It is a function! It returns a permutation of its input.

It's only difference from other functions is in its motivation: it exists in
order to be optimized.

Michael Kay
> 
> Could it be a comprise to change the terminology to something 
> else ("directive" or whatever) but leave the grammar as it 
> is? For example, node() looks like a functions, but it is 
> not. The same way unordered(..) would look like a function, 
> but it is in 
> reality something very different.
> 
> Oliver
> 
> 
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