Re: making EXPLAIN extensible

Robert Haas <robertmhaas@gmail.com>

From: Robert Haas <robertmhaas@gmail.com>

To: Andrei Lepikhov <lepihov@gmail.com>

Cc: Sami Imseih <samimseih@gmail.com>, Jeff Davis <pgsql@j-davis.com>, Thom Brown <thom@linux.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>, Tom Lane <tgl@sss.pgh.pa.us>

Date: 2025-03-28T13:09:29Z

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 →

pg_overexplain: Use PG_MODULE_MAGIC_EXT.
- 83ccc85859f3 18.0 landed
pg_overexplain: Call previous hooks as appropriate.
- 9f0c36aea0fb 18.0 landed
pg_overexplain: Additional EXPLAIN options for debugging.
- 8d5ceb113e3f 18.0 landed
Add an additional hook for EXPLAIN option validation.
- 50ba65e73325 18.0 landed
Add some new hooks so extensions can add details to EXPLAIN.
- 4fd02bf7cf94 18.0 landed
Make it possible for loadable modules to add EXPLAIN options.
- c65bc2e1d14a 18.0 landed

On Thu, Mar 27, 2025 at 5:34 PM Andrei Lepikhov <lepihov@gmail.com> wrote:
> I’m afraid to sound like a bore, but I think pg_overexplain should
> include a call into the hook call chain (see attachment). Who knows,
> maybe this extension will be used someday in production?

Oh, bother, that was a silly mistake on my part. Thanks, committed.

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