Tom Lane wrote:
> My recollection of the previous discussion is that we didn't have
> consensus on what the "right" behavior is, so I'm not sure you can just
> assert that this patch is right. In any case this is only touching the
> tip of the iceberg. If we intend that rows of nulls should be null,
> then we have got issues with, for example, NOT NULL column constraint
> checks, which don't have any such recursion built into them.
FWIW if changing the behavior of NOT NULL constraints is desired, I
still have the patch to catalogue them around, if anyone wants to play
around. I haven't gotten around to finishing it up, yet :-(
--
Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
