Re: POC, WIP: OR-clause support for indexes

Alena Rybakina <lena.ribackina@yandex.ru>

From: Alena Rybakina <lena.ribackina@yandex.ru>
To: Andrey Lepikhov <a.lepikhov@postgrespro.ru>, Ranier Vilela <ranier.vf@gmail.com>
Cc: Marcos Pegoraro <marcos@f10.com.br>, teodor@sigaev.ru, PostgreSQL-development <pgsql-hackers@postgresql.org>, Tomas Vondra <tomas.vondra@enterprisedb.com>, Peter Geoghegan <pg@bowt.ie>
Date: 2023-07-18T14:25:28Z
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. Make group_similar_or_args() reorder clause list as little as possible

  2. Allow usage of match_orclause_to_indexcol() for joins

  3. Skip not SOAP-supported indexes while transforming an OR clause into SAOP

  4. Remove the wrong assertion from match_orclause_to_indexcol()

  5. Teach bitmap path generation about transforming OR-clauses to SAOP's

  6. Transform OR-clauses to SAOP's during index matching

  7. Fix the value of or_to_any_transform_limit in postgresql.conf.sample

  8. Transform OR clauses to ANY expression

  9. MergeAttributes code deduplication

  10. SEARCH and CYCLE clauses

  11. Improve estimation of OR clauses using extended statistics.

  12. Teach btree to handle ScalarArrayOpExpr quals natively.

  13. Revise collation derivation method and expression-tree representation.

  14. Instead of trying to force WHERE clauses into CNF or DNF normal form,

Attachments

Hi, all!

I sent a patch to commitfest and noticed that the authors and the 
reviewer were incorrectly marked.

Sorry about that. I fixed it and sent the current version of the patch.

-- 
Regards,
Alena Rybakina
Postgres Professional