On Thu, Feb 02, 2017 at 12:14:10PM -0500, Tom Lane wrote:
> Also, somebody who wants a check like that isn't necessarily going to want
> "no WHERE clause" training wheels. So you're going to need to think about
> facilities to enable or disable different checks.
WHERE-less-ness should be something that should be visible to a
statement trigger that could then reject the operation if desirable.
Nico
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