Re: types of constraint deferment

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От Stephan Szabo
Тема Re: types of constraint deferment
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Msg-id 20030811222654.K97310-100000@megazone.bigpanda.com
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Ответ на types of constraint deferment  (Ron Johnson <ron.l.johnson@cox.net>)
Ответы Re: types of constraint deferment  (Ron Johnson <ron.l.johnson@cox.net>)
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On 11 Aug 2003, Ron Johnson wrote:

> v7.3.3
> http://www.postgresql.org/docs/7.3/static/sql-createtable.html
>
> Is "INITIALLY DEFERRED" a modifier of "NOT DEFERRABLE"?  If so,
> what does it do, since they seem contradictory.

It's not allowed.  An INITIALLY DEFERRED constraint must not
be defined as NOT DEFERRABLE, although an INITIALLY DEFERRED
constraint that doesn't specify either is considered DEFERRABLE.
The docs refered to are weak on this, care to try a rewrite of
those parts? :)


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