Following up to my own post,
On Sun, 30 Sep 2001, Tod McQuillin wrote:
> It's an inconsistency I would not feel comfortable with, so I'm glad I
> learned about indisprimary. Is this documented anywhere?
That's a lazy question and I apologise for asking it.
I looked it up myself and it's right there at
http://www.postgresql.org/idocs/index.php?catalog-pg-index.html
--
Tod McQUillin