Sam Mason wrote:
> I'd expect 3,2,1 and 1.
>
> That's also a disingenuous example; what would you expect back from:
>
> select count_elements(string_to_array('butter,,milk',','))
>
> I think the semantics you want is what you'd get from:
>
> array_filter_blanks(string_to_array($1,$2))
>
> where I defined "array_filter_blanks" in my previous post.
>
I agree the function should not be changing values passed.
Stripping/Dropping empty strings is changing what was passed into the
function instead breaking it into a array.
