Re: NOT ENFORCED constraint feature - Mailing list pgsql-hackers

From Álvaro Herrera
Subject Re: NOT ENFORCED constraint feature
Date
Msg-id 202503260659.is27tpldi4zy@alvherre.pgsql
Whole thread Raw
In response to Re: NOT ENFORCED constraint feature  (Amul Sul <sulamul@gmail.com>)
Responses Re: NOT ENFORCED constraint feature
List pgsql-hackers
On 2025-Mar-26, Amul Sul wrote:

> The reason for the change is to revert to the behavior before commit
> #80d7f990496b1c, where recursion occurred regardless of the
> changed flags. This is also described in the header comment for
> ATExecAlterConstrDeferrability() (earlier it was for
> ATExecAlterConstraintInternal):
> 
>  * Note that we must recurse even when the values are correct, in case
>  * indirect descendants have had their constraints altered locally.
>  * (This could be avoided if we forbade altering constraints in partitions
>  * but existing releases don't do that.)

Umm, why?  Surely we should not allow a partition tree to become
inconsistent.

-- 
Álvaro Herrera         PostgreSQL Developer  —  https://www.EnterpriseDB.com/
#error "Operator lives in the wrong universe"
  ("Use of cookies in real-time system development", M. Gleixner, M. Mc Guire)



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