On Mar 16, 2013, at 11:19 AM, Tom Lane <[email protected]> wrote: > Perhaps not. I think for most uses, a 1-D zero-length array would be > just as good. I guess what I'd want to know is whether we also need > to support higher-dimensional zero-size arrays, and if so, what does > the I/O syntax for those look like?
No.
> Another fly in the ointment is that if we do redefine '{}' as meaning
> something other than a zero-D array, how will we handle existing
> database entries that are zero-D arrays?
NULL. About as useful. ;-P
David
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