Kevin Grittner wrote:
Tom Lane wrote:
< NOT NULL constraints at the domain level suck. Don't use 'em.
+1
As someone who uses domains very heavily, I can attest that the
semantics of that are very weak. Whether a domain is nullable
depends almost entirely on the context of its use, which you can't
(and shouldn't try to) anticipate on its declaration.
Fair enough, thanks Tom and Kevin for the insights and thanks Bruce for
applying the doco patch, that makes things much clearer.
As NOT NULL on domains doesn't always prevent a value from becoming NULL
(and because it "sucks" :) ) would you consider deprecating the
not-null-on-domains feature and then removing it from some future
version of PostgreSQL?
Thanks again,
Matt
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