Re: [PoC] Reducing planning time when tables have many partitions

Yuya Watari <watari.yuya@gmail.com>

From: Yuya Watari <watari.yuya@gmail.com>

To: Andrey Lepikhov <a.lepikhov@postgrespro.ru>

Cc: David Rowley <dgrowleyml@gmail.com>, PostgreSQL Developers <pgsql-hackers@lists.postgresql.org>, Tom Lane <tgl@sss.pgh.pa.us>

Date: 2022-07-22T09:16:51Z

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 →

Update wording in optimizer/README for EquivalenceClasses
- d7c04db27aeb 18.0 landed
Speedup child EquivalenceMember lookup in planner
- d69d45a5a956 18.0 landed
Allow planner to use Merge Append to efficiently implement UNION
- 66c0185a3d14 17.0 cited
Remove trailing zero words from Bitmapsets
- a8c09daa8bb1 17.0 cited
Make Vars be outer-join-aware.
- 2489d76c4906 16.0 cited
Avoid making commutatively-duplicate clauses in EquivalenceClasses.
- a5fc46414deb 16.0 cited

Dear Andrey Lepikhov,

Thank you for replying and being a reviewer for this patch. I really
appreciate it.

> Are you still working on this patch?

Yes, I’m working on improving this patch. It is not easy to address
the problems that this patch has, but I’m hoping to send a new version
of it in a few weeks.

-- 
Best regards,
Yuya Watari