Horton

Re: Parallel CREATE INDEX for BRIN indexes

Andres Freund <andres@anarazel.de>

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From: Andres Freund <andres@anarazel.de>
To: Tomas Vondra <tomas.vondra@enterprisedb.com>
Cc: Matthias van de Meent <boekewurm+postgres@gmail.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2024-04-13T08:36:35Z
Lists: pgsql-hackers 
Hi,

While preparing a differential code coverage report between 16 and HEAD, one
thing that stands out is the parallel brin build code. Neither on
coverage.postgresql.org nor locally is that code reached during our tests.

https://coverage.postgresql.org/src/backend/access/brin/brin.c.gcov.html#2333

Greetings,

Andres Freund

Commits

  1. Remove incidental md5() function use from test

  2. Cleanup parallel BRIN index build code

  3. Stabilize test of BRIN parallel create

  4. Revert "Stabilize test of BRIN parallel create"

  5. Add regression test for BRIN parallel builds

  6. Use the correct PG_DETOAST_DATUM macro in BRIN

  7. Update nbits_set in brin_bloom_union

  8. Fix parallel BRIN builds with synchronized scans

  9. Allow parallel CREATE INDEX for BRIN indexes

  10. Add empty BRIN ranges during CREATE INDEX