--On 12. Juli 2010 14:39:19 -0400 Tom Lane <t...@sss.pgh.pa.us> wrote:
Yeah. Past discussions of this have leaned to the viewpoint that we
should disallow the above, ie it should not be possible to have NOT NULL
on the parent unless all the children have it too. Nobody's got round
to implementing it though. There's a TODO item for it: see
"Move NOT NULL constraint information to pg_constraint"
FYI, i'm currently working on it, see
<https://commitfest.postgresql.org/action/patch_view?id=312>
Bernd
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