| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp> |
| Cc: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Jürgen Strobel <juergen+postgresql(at)strobel(dot)info>, Amit Langote <amitlangote09(at)gmail(dot)com>, Ashutosh Bapat <ashutosh(dot)bapat(at)enterprisedb(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: BUG #15212: Default values in partition tables don't work as expected and allow NOT NULL violation |
| Date: | 2018-11-12 03:59:59 |
| Message-ID: | 6676.1541995199@sss.pgh.pa.us |
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| Lists: | pgsql-bugs pgsql-hackers |
Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)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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