Re: Check constraints on partition parents only?

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От Tom Lane
Тема Re: Check constraints on partition parents only?
Дата
Msg-id 9866.1311691918@sss.pgh.pa.us
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Ответ на Re: Check constraints on partition parents only?  (Robert Haas <robertmhaas@gmail.com>)
Ответы Re: Check constraints on partition parents only?
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Robert Haas <robertmhaas@gmail.com> writes:
> On Tue, Jul 26, 2011 at 4:12 AM, Nikhil Sontakke
> <nikhil.sontakke@enterprisedb.com> wrote:
>> Hmmm, but then it does open up the possibility of naive users shooting
>> themselves in the foot. It can be easy to conjure up a
>> parent-only-constraint that does not gel too well with its children. And
>> that's precisely why this feature was added in the first place..

> Yeah, but I think we need to take that chance.  At the very least, we
> need to support the equivalent of a non-inherited CHECK (false) on
> parent tables.

No, the right solution is to invent an actual concept of partitioned
tables, not to keep adding ever-weirder frammishes to inheritance so
that it can continue to provide an awkward, poorly-performing emulation
of them.
        regards, tom lane


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