Re: SQL:2011 application time

Vik Fearing <vik@postgresfriends.org>

From: Vik Fearing <vik@postgresfriends.org>
To: Paul Jungwirth <pj@illuminatedcomputing.com>, jian he <jian.universality@gmail.com>
Cc: Peter Eisentraut <peter@eisentraut.org>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2023-12-03T10:13:57Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →
  1. Rename gist stratnum support function

  2. Remove support for temporal RESTRICT foreign keys

  3. Cache NO ACTION foreign keys separately from RESTRICT foreign keys

  4. Fix NO ACTION temporal foreign keys when the referenced endpoints change

  5. Improve whitespace in without_overlaps test

  6. Tests for logical replication with temporal keys

  7. Support for GiST in get_equal_strategy_number()

  8. Make the conditions in IsIndexUsableForReplicaIdentityFull() more explicit

  9. Replace get_equal_strategy_number_for_am() by get_equal_strategy_number()

  10. Improve internal logical replication error for missing equality strategy

  11. Simplify IsIndexUsableForReplicaIdentityFull()

  12. Fix ALTER TABLE / REPLICA IDENTITY for temporal tables

  13. doc: Update pg_constraint.conexclop docs for WITHOUT OVERLAPS

  14. doc: Add PERIOD to ALTER TABLE reference docs

  15. doc: Add WITHOUT OVERLAPS to ALTER TABLE reference docs

  16. Add temporal FOREIGN KEY contraints

  17. Add temporal PRIMARY KEY and UNIQUE constraints

  18. Add stratnum GiST support function

  19. Avoid crashing when a JIT-inlined backend function throws an error.

  20. Revert temporal primary keys and foreign keys

  21. Fix ON CONFLICT DO NOTHING/UPDATE for temporal indexes

  22. Add test for REPLICA IDENTITY with a temporal key

  23. Use half-open interval notation in without_overlaps tests

  24. Use daterange and YMD in without_overlaps tests instead of tsrange.

  25. Rename pg_constraint.conwithoutoverlaps to conperiod

  26. Fix comment on gist_stratnum_btree

  27. Add missing TAP test name

  28. Improve error handling of HMAC computations

  29. Rename functions to avoid future conflicts

On 12/2/23 19:11, Paul Jungwirth wrote:
> Thank you again for such thorough reviews!
> 
> On Thu, Nov 16, 2023 at 11:12 PM jian he <jian.universality@gmail.com> 
> wrote:
>  > UPDATE FOR PORTION OF, may need insert privilege. We also need to 
> document this.
>  > Similarly, we also need to apply the above logic to DELETE FOR 
> PORTION OF.
> 
> I don't think UPDATE/DELETE FOR PORTION OF is supposed to require INSERT 
> permission.
> 
> Notionally the INSERTs are just to preserve what was there already, not 
> to add new data.
> The idea is that a temporal table is equivalent to a table with one row 
> for every "instant",
> i.e. one row per microsecond/second/day/whatever-time-resolution. Of 
> course that would be too slow,
> so we use PERIODs/ranges instead, but the behavior should be the same. 
> Date's book has a good discussion of this idea.
> 
> I also checked the SQL:2011 draft standard, and there is a section 
> called Access Rules in Part 2: SQL/Foundation for UPDATE and DELETE 
> statements. Those sections say you need UPDATE/DELETE privileges, but 
> say nothing about needing INSERT privileges. That is on page 949 and 972 
> of the PDFs from the "SQL:20nn Working Draft Documents" link at [1]. If 
> someone has a copy of SQL:2016 maybe something was changed, but I would 
> be surprised

Nothing has changed here in SQL:2023 (or since).
-- 
Vik Fearing