Re: First draft of the PG 15 release notes

Justin Pryzby <pryzby@telsasoft.com>

From: Justin Pryzby <pryzby@telsasoft.com>
To: Bruce Momjian <bruce@momjian.us>
Cc: pgsql-hackers@postgresql.org
Date: 2022-07-11T17:39:23Z
Lists: pgsql-hackers
On Tue, May 10, 2022 at 11:41:08PM -0400, Bruce Momjian wrote:
> On Tue, May 10, 2022 at 08:31:17PM -0500, Justin Pryzby wrote:

> > | Store server-level statistics in shared memory (Kyotaro Horiguchi, Andres Freund, Melanie Plageman)
> > 
> > Should this be called "cumulative" statistics?  As in b3abca68106d518ce5d3c0d9a1e0ec02a647ceda.
> 
> Uh, they are counters, which I guess is cummulative, but that doesn't
> seem very descriptive.  The documentation call it the statistics
> collector, but I am not sure we even have that anymore with an in-memory
> implementation.  I am kind of not sure what to call it.

What I was trying to say is that it's now called the cumulative stats system.

> > | New function
> > 
> > "The new function .." (a few times)
> 
> Uh, I only see it once.

There's still a couple of these without "The".

> > Should any of these be listed as incompatible changes (some of these I asked
> > before, but the others are from another list).

> > ccd10a9bfa5 Fix enforcement of PL/pgSQL variable CONSTANT markings (Tom Lane)
> 
> I didn't see not enforcing constant as an incompatibility, but rather a
> bug.

Yes it's a bug, but it's going to be seen as a compatibility issue for someone
whose application breaks.  The same goes for other things I mentioned.

> > 376ce3e404b Prefer $HOME when looking up the current user's home directory.
> 
> Uh, I didn't think so.
> 
> > 7844c9918a4 psql: Show all query results by default
> 
> Same.
> 
> > 17a856d08be Change aggregated log format of pgbench.
> 
> We have a pgbench section and I can't see it. I am trying to keep
> incompatiblities as things related to in-production problems or
> surprises.
> 
> > ? 73508475d69 Remove pg_atoi()
> 
> I don't see who would care except for internals folks.
> 
> > ? aa64f23b029 Remove MaxBackends variable in favor of GetMaxBackends() function.
> 
> Same.
> 
> > ? d816f366bc4 psql: Make SSL info display more compact
> 
> I did look at that but considered that this wouldn't be something that
> would break anything.
> 
> > ? 27b02e070fd pg_upgrade: Don't print progress status when output is not a tty.
> 
> Same.
> 
> > ? ab4fd4f868e Remove 'datlastsysoid'.
> 
> Seemed too internal.

FYI, removal of this column broke a tool one of my coworkers uses (navicat).
I'm told that the fix will be in navicat v16.1 (but their existing users will
need to pay to upgrade from v15).

-- 
Justin



Commits

  1. Doc: last minute adjustment to the release notes

  2. Doc: more tweaking of v15 release notes.

  3. Doc: further adjust notes about pg_upgrade_output.d.

  4. Doc: add list of major features to the v15 release notes.

  5. relnotes: update item about public schema permission change

  6. relnotes: update ordered partition scan item

  7. relnotes: add Heikki to UTF8 item

  8. relnotes: improve UTF8 text item in relation to ASCII

  9. relnotes: add null logical replication item

  10. relnotes: adjust several logical replication items and FK text

  11. relnotes: mention non-exclusive backup mode was deprecated

  12. relnotes: add author to in-memory sorts item

  13. relnotes: update for non-exclusive backup mode removal

  14. relnote: improve sorting entries

  15. relnotes: adjustments from Álvaro Herrera

  16. relnotes: update foreign key partition and add sort items

  17. relnotes: more adjustments

  18. relnotes: logical replication permissions checked by subscrib.

  19. relnotes: adjustments

  20. relnotes: remove sequence replication and update 'postgres -C'

  21. relnote: extensive updates

  22. relnotes: "training" -> "trailing"

  23. Standardize references to Zstandard as <productname>

  24. pgstat: Update docs to match the shared memory stats reality.

  25. Raise a WARNING for missing publications.

  26. Skip empty transactions for logical replication.

  27. Optionally disable subscriptions on error.

  28. Allow root-owned SSL private keys in libpq, not only the backend.

  29. Use COPY FREEZE in pgbench for faster benchmark table population.