Re: Postgres 11 release notes

Bruce Momjian <bruce@momjian.us>

From: Bruce Momjian <bruce@momjian.us>
To: Dilip Kumar <dilipbalaut@gmail.com>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2018-05-14T20:41:54Z
Lists: pgsql-hackers
On Mon, May 14, 2018 at 05:34:54PM +0530, Dilip Kumar 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.  ;-)
> 
>     On a personal note, I want to apologize for not adequately championing
>     two features that I think have strategic significance but didn't make it
>     into Postgres 11:  parallel FDW access and improved multi-variate
>     statistics.  I hope to do better job during Postgres 12.
>    
>     --
>       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 +
> 
> 
> 
> I think the below commit is missed in the release notes?
> 
> 5edc63bda68a77c4d38f0cbeae1c4271f9ef4100
> 
> Committer: Robert Haas <rhaas@postgresql.org>  2017-11-10 13:50:50
> 
>     Account for the effect of lossy pages when costing bitmap scans.
>     
>     Dilip Kumar, reviewed by Alexander Kumenkov, Amul Sul, and me.
>     Some final adjustments by me.
> 
> As part of this commit, we are also accounting for the lossy pages during
> bitmap costing.  This will consider
> the effect of work_mem while selecting the bitmap heap scan path.

Uh, that seems very exotic to mention, sorry.  Others have opinions?

I have updated the PG11 doc URL with all the changes so far.

-- 
  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.