Re: Support logical replication of DDLs

li jie <ggysxcq@gmail.com>

From: li jie <ggysxcq@gmail.com>

To: Zheng Li <zhengli10@gmail.com>

Cc: vignesh C <vignesh21@gmail.com>, Peter Smith <smithpb2250@gmail.com>, Ajin Cherian <itsajin@gmail.com>, Dilip Kumar <dilipbalaut@gmail.com>, Alvaro Herrera <alvherre@alvh.no-ip.org>, "houzj.fnst@fujitsu.com" <houzj.fnst@fujitsu.com>, Amit Kapila <amit.kapila16@gmail.com>, Masahiko Sawada <sawada.mshk@gmail.com>, Japin Li <japinli@hotmail.com>, rajesh singarapu <rajesh.rs0541@gmail.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>

Date: 2022-11-28T03:27:03Z

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 →

Add a run_as_owner option to subscriptions.
- 482675987bcd 16.0 cited
Refactor pgoutput_change().
- da324d6cd45b 16.0 cited
Print the correct aliases for DML target tables in ruleutils.
- df931e9ab35b 11.20 landed
- c8a5f1685fb7 15.3 landed
- 4efb4f0d4878 13.11 landed
- 3dd287c14fac 12.15 landed
- 393430f57544 16.0 landed
- 14345f3c6a7b 14.8 landed
Fix object identity string for transforms
- 9a312562314a 16.0 landed
Add grantable MAINTAIN privilege and pg_maintain role.
- 60684dd834a2 16.0 cited
Get rid of recursion-marker values in enum AlterTableType
- 840ff5f451cd 16.0 cited
Release cache tuple when no longer needed
- ed0fbc8e5ac9 15.0 cited
Empty search_path in logical replication apply worker and walsender.
- 11da97024abb 14.0 cited
Refactor format_type APIs to be more modular
- a26116c6cbf4 11.0 cited
Use wrappers of PG_DETOAST_DATUM_PACKED() more.
- 3a0d473192b2 10.0 cited

>
>
> All three commands are captured by the event trigger. The first and
> second command ends up getting deparsed, WAL-logged and
> replayed on the subscriber. The replay of the ALTER TABLE command
> causes a duplicate constraint error. The problem is that
> while subcommands are captured by event triggers by default, they
> don't need to be deparsed and WAL-logged for DDL replication.
> To do that we can pass the isCompleteQuery variable in
> ProcessUtilitySlow to EventTriggerCollectSimpleCommand() and
> EventTriggerAlterTableEnd() and make this information available in
> CollectedCommand so that any subcommands can be skipped.
>

May not be able to skip any subcommands.
like ' ALTER TABLE  ctlt1_like ALTER COLUMN b SET STORAGE EXTERNAL;'

It cannot be represented in the CREATE TABLE  statement.


Regards,  Adger