Re: pg17 issues with not-null contraints

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От Alvaro Herrera
Тема Re: pg17 issues with not-null contraints
Дата
Msg-id 202404181341.sdyofu6hhas5@alvherre.pgsql
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Ответ на Re: pg17 issues with not-null contraints  (Justin Pryzby <pryzby@telsasoft.com>)
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On 2024-Apr-15, Justin Pryzby wrote:

> Here's a couple more issues affecting upgrades from v16 to v17.
> 
> postgres=# CREATE TABLE a(i int NOT NULL); CREATE TABLE b(i int PRIMARY KEY) INHERITS (a);
> pg_restore: error: could not execute query: ERROR:  constraint "pgdump_throwaway_notnull_0" of relation "b" does not
exist
> 
> postgres=# CREATE TABLE a(i int CONSTRAINT a NOT NULL PRIMARY KEY); CREATE TABLE b()INHERITS(a); ALTER TABLE b ADD
CONSTRAINTpkb PRIMARY KEY (i);
 
> pg_restore: error: could not execute query: ERROR:  cannot drop inherited constraint "pgdump_throwaway_notnull_0" of
relation"b"
 

I pushed a fix now, and it should also cover these two issues, which
required only minor changes over what I posted yesterday.  Also, thank
you for pointing out that the patch also fixed Andrew's problem.  It
did, except there was a locking problem which required an additional
tweak.

Thanks for reporting these.

-- 
Álvaro Herrera        Breisgau, Deutschland  —  https://www.EnterpriseDB.com/
"At least to kernel hackers, who really are human, despite occasional
rumors to the contrary" (LWN.net)



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