> On Jun 6, 2026, at 02:44, Zsolt Parragi <[email protected]> wrote:
> 
>> * It is common for a partitioned table to have thousands of partitions, but 
>> I rarely hear of a regular inherited table having thousands of descendants.
> 
> Yes, that's why I also wasn't sure if it's needed or not, I can
> construct scenarios where alters take a relatively long time, but
> those do not seem to be realistic at all... so maybe it's an
> acceptable limitation as you said.
> 
>> BTW, do you have any comments on the doc changes in 0002 and 0003?
> 
> +   (check and not-null constraints) down the inheritance hierarchy.  With
> +   multiple inheritance, if a column or constraint is inherited from more
> +   than one parent, the stricter definition applies.
> 
> The documentation changes generally look good to me, but should this
> statement be part of the alter table description? There's a paragraph
> about merge rules above which might be a better fit for it.
> ("Inheritable check constraints and not-null constraints are merged in
> a similar fashion")
> 

Make sense.

PFA v8: 0001 and 0003 unchanged. 0002  addressed Zsolt’s comment.

Best regards,
--
Chao Li (Evan)
HighGo Software Co., Ltd.
https://www.highgo.com/




Attachment: v8-0001-Prevent-inherited-CHECK-constraints-from-being-we.patch
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Attachment: v8-0002-doc-Clarify-inherited-constraint-behavior.patch
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Attachment: v8-0003-doc-Clarify-ALTER-CONSTRAINT-enforceability-behav.patch
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