Horton

Re: Postgres 11 release notes

Bruce Momjian <bruce@momjian.us>

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From: Bruce Momjian <bruce@momjian.us>
To: Andrey Borodin <x4mmm@yandex-team.ru>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2018-05-18T13:53:02Z
Lists: pgsql-hackers 
On Fri, May 18, 2018 at 10:56:25AM +0500, Andrey Borodin wrote:
> H, Bruce!
> 
> 
>     11 мая 2018 г., в 20:08, Bruce Momjian <bruce@momjian.us> написал(а):
> 
>     I expect a torrent of feedback.  ;-)
> 
> 
> I'm not sure it is usefull in release notes since it is more about API, and not
> user-facing change. Just in case.
> GiST opclasses now can omit compress and decompress functions. If compress
> function is omited, IndexOnlyScan is enabled for opclass without any extra
> change.
> https://github.com/postgres/postgres/commit/
> d3a4f89d8a3e500bd7c0b7a8a8a5ce1b47859128

Uh, we do have this for SP-GiST:

        Allow SP-GiST indexes to optionally use compression (Teodor Sigaev,
        Heikki Linnakangas, Alexander Korotkov, Nikita Glukhov)

I am unclear how far downt the API stack I should go in documenting
changes like this.

-- 
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

+ As you are, so once was I.  As I am, so you will be. +
+                      Ancient Roman grave inscription +

Commits

  1. doc: update PG 11 release notes

  2. Fix misspelled pg_trgm contrib name in PostgreSQL 11 release notes

  3. Doc: clarify release note text about v11's new window function features.

  4. Improve wording of release notes item

  5. Fix typos in release notes

  6. Doc: preliminary list of PG11 major features.

  7. Make numeric power() handle NaNs according to the modern POSIX spec.

  8. Various improvements of skipping index scan during vacuum technics

  9. Revert back-branch changes in power()'s behavior for NaN inputs.

  10. Avoid wrong results for power() with NaN input on more platforms.

  11. Avoid wrong results for power() with NaN input on some platforms.

  12. Skip full index scan during cleanup of B-tree indexes when possible

  13. Rewrite the code that applies scan/join targets to paths.

  14. Postpone generate_gather_paths for topmost scan/join rel.

  15. Add casts from jsonb

  16. Make plpgsql use its DTYPE_REC code paths for composite-type variables.

  17. Don't allow VACUUM VERBOSE ANALYZE VERBOSE.

  18. Pass InitPlan values to workers via Gather (Merge).

  19. Account for the effect of lossy pages when costing bitmap scans.

  20. Allow no-op GiST support functions to be omitted.

  21. Rearm statement_timeout after each executed query.

  22. Push limit through subqueries to underlying sort, where possible.