Horton

Re: Postgres 11 release notes

Amit Kapila <amit.kapila16@gmail.com>

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From: Amit Kapila <amit.kapila16@gmail.com>
To: Bruce Momjian <bruce@momjian.us>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2018-05-13T11:25:35Z
Lists: pgsql-hackers 
On Sun, May 13, 2018 at 4:40 PM, Amit Kapila <amit.kapila16@gmail.com> wrote:
> On Fri, May 11, 2018 at 8:38 PM, Bruce Momjian <bruce@momjian.us> wrote:
>> I have committed the first draft of the Postgres 11 release notes.  I
>> will add more markup soon.  You can view the most current version here:
>>
>>         http://momjian.us/pgsql_docs/release-11.html
>>
>> I expect a torrent of feedback.  ;-)
>>
>
> Thanks for compiling the first draft.
>

One more comment on below item:

Allow entire hash index pages to be scanned (Ashutosh Sharma)

Previously each hash index entry has to be locked and scanned separately.

I think it is better to write the second line as "Previously for each
hash index entry, we need to refind the scan position within the page
and cuts down on lock/unlock traffic.".


-- 
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com

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.