Horton

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

Alexander Korotkov <aekorotkov@gmail.com>

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From: Alexander Korotkov <aekorotkov@gmail.com>
To: Alena Rybakina <a.rybakina@postgrespro.ru>
Cc: jian he <jian.universality@gmail.com>, Robert Haas <robertmhaas@gmail.com>, pgsql-hackers@postgresql.org, Peter Geoghegan <pg@bowt.ie>, Marcos Pegoraro <marcos@f10.com.br>, teodor@sigaev.ru, Andrei Lepikhov <a.lepikhov@postgrespro.ru>, Tomas Vondra <tomas.vondra@enterprisedb.com>, Peter Eisentraut <peter@eisentraut.org>, Ranier Vilela <ranier.vf@gmail.com>
Date: 2024-06-21T21:07:56Z
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,

Hi, Alena.

On Fri, Jun 21, 2024 at 8:05 PM Alena Rybakina
<a.rybakina@postgrespro.ru> wrote:
>
> I'm confused, I have seen that we have two threads [1] and [2] about this thread and I haven't found any explanation for how they differ.
>
> And I don't understand, why am I not listed as the author of the patch? I was developing the first part of the patch before Andrey came to review it [3] and his first part hasn't changed much since then.
>
> If I wrote to the wrong person about it, then please tell me where.
>
> [1] https://commitfest.postgresql.org/48/4450/
>
> [2] https://commitfest.postgresql.org/48/5037/
>
> [3] https://www.postgresql.org/message-id/b301dce1-09fd-72b1-834a-527ca428db5e%40yandex.ru

Sorry, I didn't notice that the [1] commitfest entry exists and
created the [2] commitfest entry.  I'm removed [2].

------
Regards,
Alexander Korotkov
Supabase