Horton

Re: PG 13 release notes, first draft

Etsuro Fujita <etsuro.fujita@gmail.com>

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From: Etsuro Fujita <etsuro.fujita@gmail.com>
To: Amit Langote <amitlangote09@gmail.com>
Cc: Bruce Momjian <bruce@momjian.us>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2020-05-09T11:35:04Z
Lists: pgsql-hackers 
On Fri, May 8, 2020 at 12:07 PM Amit Langote <amitlangote09@gmail.com> wrote:
> On Fri, May 8, 2020 at 2:06 AM Bruce Momjian <bruce@momjian.us> wrote:
> > On Fri, May  8, 2020 at 12:32:16AM +0900, Amit Langote wrote:
> > > c8434d64c implements a new feature whereby, to use partitionwise join,
> > > partition bounds of the tables being joined no longer have to match
> > > exactly.  I think it might be better to mention this explicitly
> > > because it enables partitionwise joins to be used in more partitioning
> > > setups.
> >
> > Well, the text says:
> >
> >         Allow partitionwise joins to happen in more cases (Ashutosh Bapat,
> >         Etsuro Fujita, Amit Langote, Tom Lane)
> >
> > Isn't that what you just said?  I just added this paragraph:
> >
> >         For example, partitionwise joins can now happen between partitioned
> >         tables where the ancestors do not exactly match.
> >
> > Does that help?
>
> Yes, although "ancestors do not exactly match" doesn't make clear what
> about partitioned tables doesn't match.   "partition bounds do not
> exactly match" would.

+1 for that change.

Thank you for taking the time to this!

Best regards,
Etsuro Fujita

Commits

  1. Doc: improve release notes' info about FROM UNPACKAGED feature removal.

  2. Doc: fix misstatement in v13 release notes.

  3. Doc: some more v13 release note tweaking.

  4. Doc: update v13 release notes through today, do a copy-editing pass.

  5. Doc: fill in "major enhancements" list in v13 release notes.

  6. doc: PG 13 relnotes: fix typos

  7. doc: PG 13 relnotes, update TOAST item to mention decompression

  8. pgbench: document that the default data loading is client-side

  9. psql \d: Display table where trigger is defined, if inherited

  10. Skip WAL for new relfilenodes, under wal_level=minimal.

  11. Introduce vacuum errcontext to display additional information.

  12. Fix lquery's behavior for consecutive '*' items.

  13. Improve the internal implementation of ereport().

  14. Add object names to partition integrity violations.

  15. Allow page lock to conflict among parallel group members.

  16. Allow relation extension lock to conflict among parallel group members.

  17. Introduce "anycompatible" family of polymorphic types.

  18. Improve checking of child pages in contrib/amcheck.

  19. doc: Add information about new SQL part SQL/MDA

  20. Added relation name in error messages for constraint checks.

  21. Avoid full scan of GIN indexes when possible

  22. Use carriage returns for data insertion logs in pgbench on terminal

  23. Use memcpy instead of a byte loop in pglz_decompress

  24. Add backtrace support for error reporting

  25. Improve pruning of a default partition

  26. Improve psql's \d output for partitioned indexes.

  27. initdb: Change authentication defaults