Re: using index to speedup add not null constraints to a table

Hi,

On 2025-04-28 12:36:14 +0800, jian he wrote:
> On Fri, Apr 18, 2025 at 4:07 PM jian he <jian.universality@gmail.com> wrote:
> >
> > I don't have any good ideas to do the regress tests.
> > I use
> >                 ereport(NOTICE,
> >                         errmsg("all not-null constraints on relation
> > \"%s\" are validated by index scan",
> >                                 RelationGetRelationName(oldrel)));
> > to do the tests.
> >
> for tests, just found out i can imitate
> src/test/modules/test_misc/t/001_constraint_validation.pl,
> 
> So I created a file:
> src/test/modules/test_misc/t/008_indexscan_validate_notnull.pl
> for TAP tests.

The tests have not passed in a few weeks:
https://cirrus-ci.com/github/postgresql-cfbot/postgresql/cf%2F5444

Greetings,

Andres Freund