Re: BUG #15212: Default values in partition tables don't work as expected and allow NOT NULL violation

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