Brendan Jurd <dire...@gmail.com> writes:
> While I was working on my empty array patch I was frequently irritated
> by the absence of an array_length(anyarray). The same goes for
> array_upper and array_lower. Most of the time when I work with
> arrays, they are 1-D, and it's inelegant to having to specify which
> dimension I mean when there is only one to choose from.
> The question I have (and would appreciate your input on) is how such
> single-argument variants should behave when operating on an array with
> multiple dimensions?
I'm not entirely convinced that this is a good idea, but if we're going
to allow it I would argue that "array_length(a)" should be defined as
"array_length(a, 1)". The other possibilities are too complicated to
explain in as few words.
regards, tom lane
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