Ron Mayer <rm_pg@cheapcomplexdevices.com> writes:
> If we're going non-computable, would something that's a superset
> of the SQL Standard's array value constructor be useful;
I think you've confused ARRAY[] expressions with the I/O representation
for array values. There are many good reasons why those are not
identical, starting with the fact that string literals inside an ARRAY[]
would be subject to different escaping conventions than an I/O value is.
regards, tom lane