> Hmm... the problem is that an empty array is really zero-dimensional.
> So for what values of the second argument ought we to return 0?
>
> It certainly seems inconsistent to say that array_length({}, 6) = 0
> and array_length({1}, 6) is null.
Ugh. I meant rather:
It certainly seems inconsistent to say that array_length({}, 6) = 0
and array_upper({1}, 6) is null.
...Robert
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