Re: pg17 issues with not-null contraints

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

This one requires a separate pg_dump fix, which should --I hope-- be
pretty simple.

> postgres=# CREATE TABLE a(i int CONSTRAINT a NOT NULL PRIMARY KEY); CREATE TABLE b()INHERITS(a); ALTER TABLE b ADD CONSTRAINT pkb PRIMARY KEY (i);
> pg_restore: error: could not execute query: ERROR: cannot drop inherited constraint "pgdump_throwaway_notnull_0" of relation "b"

This one seems to be fixed with the patch I just posted.

--
Álvaro Herrera PostgreSQL Developer — https://www.EnterpriseDB.com/
"I am amazed at [the pgsql-sql] mailing list for the wonderful support, and
lack of hesitasion in answering a lost soul's question, I just wished the rest
of the mailing list could be like this." (Fotis)
https://postgr.es/m/200606261359.k5QDxE2p004593@auth-smtp.hol.gr