Re: using index to speedup add not null constraints to a table
jian he <jian.universality@gmail.com>
From: jian he <jian.universality@gmail.com>
To: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2025-04-28T04:36:14Z
Lists: pgsql-hackers
Attachments
- v5-0001-using-indexscan-to-speedup-add-not-null-constraints.patch (text/x-patch) patch v5-0001
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.