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Michael Paquier 79a5911fe6 Add more debugging information for bgworker termination tests of worker_spi 
widowbird has failed again after af8837a10b, with the same symptoms of
a backend still lying around when attempting a database rename with a
bgworker connected to the database being renamed.

We are still not sure yet how the failure can be reached, if this is a
timing issue in the test or an actual bug in the logic used for
interruptible bgworkers.  This commit adds more debugging information in
the backend to help with the analysis as a temporary measure.

Another thing I have noticed is that the queries launching the dynamic
bgworkers or checking pg_stat_activity would connect to the database
renamed.  These are switched to use 'postgres'.  That will hopefully
remove some of the friction of the test, but I doubt that this is the
end of the story.

Discussion: https://postgr.es/m/abtJLEAsf1HZXWdR@paquier.xyz
2026-03-19 11:39:31 +09:00
.github Add CODE_OF_CONDUCT.md, CONTRIBUTING.md, and SECURITY.md. 2024-07-02 13:03:58 -05:00
config Hardcode override of typeof_unqual for clang-for-bitcode 2026-03-16 19:24:49 +01:00
contrib pg_plan_advice: Fix multiple copy-and-paste-errors in test case. 2026-03-18 18:24:39 -04:00
doc doc: Clarify BUFFERS behavior without ANALYZE in EXPLAIN 2026-03-19 08:30:50 +09:00
src Add more debugging information for bgworker termination tests of worker_spi 2026-03-19 11:39:31 +09:00
.cirrus.star ci: Simplify ci-os-only handling 2025-08-14 12:09:34 -04:00
.cirrus.tasks.yml Revert "Change default value of default_toast_compression to "lz4"" 2026-03-05 08:25:35 +09:00
.cirrus.yml ci: Per-repo configuration for manually trigger tasks 2025-08-14 11:54:03 -04:00
.dir-locals.el Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:31 -08:00
.editorconfig Update .editorconfig and .gitattributes for postgresql.conf.sample. 2025-11-18 10:28:36 -06:00
.git-blame-ignore-revs Add commit b6eb8dde6b to .git-blame-ignore-revs. 2026-03-13 11:45:34 -05:00
.gitattributes Update .editorconfig and .gitattributes for postgresql.conf.sample. 2025-11-18 10:28:36 -06:00
.gitignore Update top-level .gitignore. 2022-12-04 15:23:00 -05:00
.mailmap Add a Git .mailmap file 2024-11-05 13:56:02 +01:00
aclocal.m4 autoconf: Move export_dynamic determination to configure 2022-12-06 18:55:28 -08:00
configure Enable -Wstrict-prototypes and -Wold-style-definition by default 2026-03-18 14:31:50 +01:00
configure.ac Enable -Wstrict-prototypes and -Wold-style-definition by default 2026-03-18 14:31:50 +01:00
COPYRIGHT Update copyright for 2026 2026-01-01 13:24:10 -05:00
GNUmakefile.in Allow selecting the git revision to be packaged by "make dist". 2024-05-03 11:08:50 -04:00
HISTORY Canonicalize some URLs 2020-02-10 20:47:50 +01:00
Makefile Restore AIX support. 2026-02-23 13:34:22 -05:00
meson.build Enable -Wstrict-prototypes and -Wold-style-definition by default 2026-03-18 14:31:50 +01:00
meson_options.txt Update copyright for 2026 2026-01-01 13:24:10 -05:00
README.md Revise the style of a paragraph in README.md. 2024-03-21 10:16:41 -05:00

README.md

PostgreSQL Database Management System

This directory contains the source code distribution of the PostgreSQL database management system.

PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings.

Copyright and license information can be found in the file COPYRIGHT.

General documentation about this version of PostgreSQL can be found at https://www.postgresql.org/docs/devel/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/devel/installation.html.

The latest version of this software, and related software, may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.