Re: [HACKERS] NOT NULL constraints on range partition key columns

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От Robert Haas
Тема Re: [HACKERS] NOT NULL constraints on range partition key columns
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Msg-id CA+TgmoayJEAKXM+_dSHH07s-+_CL4NWdrgeyVq9AejrzTYaO+A@mail.gmail.com
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Ответ на Re: [HACKERS] NOT NULL constraints on range partition key columns  (Amit Kapila <amit.kapila16@gmail.com>)
Ответы Re: [HACKERS] NOT NULL constraints on range partition key columns
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On Mon, May 15, 2017 at 9:12 AM, Amit Kapila <amit.kapila16@gmail.com> wrote:
> Can't we allow NULL to get inserted into the partition (leaf
> partition) if the user uses the partition name in Insert statement?

That would be terrible behavior - the behavior of tuple routing should
match the enforced constraints.

> For root partitions, I think for now giving an error is okay, but once
> we have default partitions (Rahila's patch), we can route NULLS to
> default partition.

Yeah, that's exactly why I think we should make the change Amit is
proposing here.  If we don't, then we won't be able to accept NULL
values even after we have the default partitioning stuff.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company



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