Re: Sequence Access Methods, round two

Chao Li <li.evan.chao@gmail.com>

From: Chao Li <li.evan.chao@gmail.com>
To: Michael Paquier <michael@paquier.xyz>
Cc: Xuneng Zhou <xunengzhou@gmail.com>, Andrei Lepikhov <lepihov@gmail.com>, Peter Eisentraut <peter@eisentraut.org>, Kirill Reshke <reshkekirill@gmail.com>, Peter Smith <smithpb2250@gmail.com>, Postgres hackers <pgsql-hackers@lists.postgresql.org>
Date: 2025-12-23T08:48:16Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →
  1. Refactor init_params() in sequence.c to not use FormData_pg_sequence_data

  2. Fix comment thinko in sequence.c

  3. Group more closely cache updates for backends in sequence.c

  4. Introduce sequence_*() access functions


> On Dec 23, 2025, at 16:42, Michael Paquier <michael@paquier.xyz> wrote:
> 
> On Tue, Dec 23, 2025 at 02:55:45PM +0800, Chao Li wrote:
>> I just started to review this patch. While reviewing 0001, I got the
>> point where you now add the 3 attributes into pg_attributes, so I
>> tried to test this behavior, but a basic “create sequence” command
>> failed for me: 
>> ```
>> evantest=# create sequence ts1 start with 1 increment by 1 cache 10 cycle;
>> ERROR:  access method "seqlocal" does not exist
>> ```
>> 
>> Did I do something wrong?
> 
> I guess so.  0001 taken independently has no link to seqlocal.
> Applying the full set of patches works here:
> =# create sequence ts1 start with 1 increment by 1 cache 10 cycle;
> CREATE SEQUENCE
> 
> I doubt that the regression would pass at all with this class of
> failures.  You may need to clean your tree and rebuild.
> --
> Michael

I have applied the full patch set. So, I guess I need a clean rebuild. I will try again.

Best regards,
--
Chao Li (Evan)
HighGo Software Co., Ltd.
https://www.highgo.com/