On Thu, Jan 21, 2010 at 07:30, Robert Haas <robertmhaas@gmail.com> wrote:
> On Thu, Jan 21, 2010 at 12:57 AM, Alex Hunsaker <badalex@gmail.com> wrote:
>> Seems to me a comment about the above might be nice. Something like
>> /* Things after here are should always be default null */ in
>> pg_attribute.h ?
>
> Well... that wouldn't actually be a correct summary, so no. The point
> is that variable-length fields are not used in tuple descriptors.
> I'll add a comment about that.
Yes that sounds much better, I was struggling to find the words. What
I was trying to express was something along the lines of you cant have
a non null value after these because you cant statically initialize
them in genbki.