Re: string_to_array with empty input

[justin <justin(at)emproshunts(dot)com>]

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.