Re: BUG #4921: ltree @> ltree[] operator shouldn't fail if ltree[] is empty

Alan Pinstein <apinstein@mac.com> writes:
> The real solution might be to just convert a 0-dim array into "null"
> or equivalent and still assert error if dims >= 2?

That's my alternative #1.  The question is whether there's any real
point in rejecting multi-dimensional arrays here, rather than just
searching all the elements regardless of the array shape.

            regards, tom lane