Re: [PATCH] Exorcise "zero-dimensional" arrays (Was: Re: Should array_length() Return NULL)

Brendan Jurd <direvus@gmail.com> writes:
> On 25 March 2013 13:02, Josh Berkus <josh@agliodbs.com> wrote:
>> Brendan, how hard would it be to create a GUC for backwards-compatible
>> behavior?

> Good idea.

No, it *isn't* a good idea.  GUCs that change application-visible
semantics are dangerous.  We should have learned this lesson by now.
        regards, tom lane