Re: not null constraints, again

Alvaro Herrera <alvherre@alvh.no-ip.org>

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From: Alvaro Herrera <alvherre@alvh.no-ip.org>

To: Pg Hackers <pgsql-hackers@lists.postgresql.org>

Cc: jian he <jian.universality@gmail.com>, Tender Wang <tndrwang@gmail.com>

Date: 2024-10-04T13:11:44Z

Lists: pgsql-hackers

Attachments

v8-0001-Catalog-not-null-constraints.patch (text/x-diff)

Here's v8 of this patch.

Tests are ok: https://cirrus-ci.com/build/5744512465633280

My next step is to write the complete commit message to explain it in
detail and put it to sleep on November's commitfest.

-- 
Álvaro Herrera         PostgreSQL Developer  —  https://www.EnterpriseDB.com/

Commits

Suppress "may be used uninitialized" warnings from older compilers.
- fc5e966f73f0 18.0 landed
Elide not-null constraint checks on child tables during PK creation
- 11ff192b5bb7 18.0 landed
Remove unnecessary code to handle CONSTR_NOTNULL
- 5b291d1c9c09 18.0 landed
Silence compilers about extractNotNullColumn()
- ff239c3bf4e8 18.0 landed
Add pg_constraint rows for not-null constraints
- 14e87ffa5c54 18.0 landed