From: Tom Lane <tgl@sss.pgh.pa.us>
To: Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>
Cc: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: Jürgen Strobel <juergen+postgresql@strobel.info>
Cc: Amit Langote <amitlangote09@gmail.com>
Cc: Ashutosh Bapat <ashutosh.bapat@enterprisedb.com>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Subject: Re: BUG #15212: Default values in partition tables don't work as expected and allow NOT NULL violation
Date: Sun, 11 Nov 2018 22:59:59 -0500
Message-ID: <6676.1541995199@sss.pgh.pa.us> (raw)
In-Reply-To: <f45328d3-70ef-2186-fd6d-6ec58e3d951f@lab.ntt.co.jp>
References: <20181109170712.pfn55lab5j7oae4v@alvherre.pgsql>
<29152.1541802819@sss.pgh.pa.us>
<f45328d3-70ef-2186-fd6d-6ec58e3d951f@lab.ntt.co.jp>
Amit Langote <Langote_Amit_f8@lab.ntt.co.jp> writes:
> On 2018/11/10 7:33, Tom Lane wrote:
>> I'd argue not, actually. I think there is plausible precedent in
>> updatable views, where what we use is the defaults associated with the
>> view, not the underlying table. Correspondingly, what ought to govern
>> in a partitioned insert is the defaults associated with the table actually
>> named in the insert command, never mind what its partitions might say.
>> That is useful for many situations, and it avoids all the logical
>> inconsistencies you get into if you find that the defaults associated
>> with some partition would force re-routing elsewhere.
> ...
> IOW, it might be a good idea to call the ability to set partition-level
> defaults a deprecated feature?
Not necessarily. They'd apply when you insert directly into a particular
partition by name.
regards, tom lane
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Cc: tgl@sss.pgh.pa.us, Langote_Amit_f8@lab.ntt.co.jp, alvherre@2ndquadrant.com, juergen+postgresql@strobel.info, amitlangote09@gmail.com, ashutosh.bapat@enterprisedb.com, pgsql-hackers@lists.postgresql.org
Subject: Re: BUG #15212: Default values in partition tables don't work as expected and allow NOT NULL violation
In-Reply-To: <6676.1541995199@sss.pgh.pa.us>
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