Re: RFC: extensible planner state

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>

To: Tom Lane <tgl@sss.pgh.pa.us>

Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>

Date: 2025-10-07T17:19:14Z

Lists: pgsql-hackers

Attachments

v8-0001-Add-ExplainState-argument-to-pg_plan_query-and-pl.patch (application/octet-stream) patch v8-0001
v8-0003-Add-extension_state-member-to-PlannedStmt.patch (application/octet-stream) patch v8-0003
v8-0002-Add-planner_setup_hook-and-planner_shutdown_hook.patch (application/octet-stream) patch v8-0002

On Mon, Sep 29, 2025 at 9:28 AM Robert Haas <robertmhaas@gmail.com> wrote:
> Oh, nice, thanks! I'm going to be on vacation the rest of this week so
> I plan to deal with this next week. However, if you feel like
> committing it before then, please feel free.

I committed 0001 and 0002. That left three remaining patches. I merged
your (Tom's) comment changes into the first of those, and here's the
result of that.

-- 
Robert Haas
EDB: http://www.enterprisedb.com

Commits

Add extension_state member to PlannedStmt.
- 4685977cc51c 19 (unreleased) landed
Add planner_setup_hook and planner_shutdown_hook.
- 94f3ad3961a2 19 (unreleased) landed
Add ExplainState argument to pg_plan_query() and planner().
- c83ac02ec730 19 (unreleased) landed
Remove PlannerInfo's join_search_private method.
- 64095d157482 19 (unreleased) landed
Allow private state in certain planner data structures.
- 0132dddab33a 19 (unreleased) landed
Fix array allocation bugs in SetExplainExtensionState.
- 694057d236b1 18.1 landed
- 803ef0ed49ee 19 (unreleased) landed
Make it possible for loadable modules to add EXPLAIN options.
- c65bc2e1d14a 18.0 cited