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Fujii Masao 351265a6c7 Remove recovery.signal at recovery end when both signal files are present.
When both standby.signal and recovery.signal are present, standby.signal
takes precedence and the server runs in standby mode. Previously,
in this case, recovery.signal was not removed at the end of standby mode
(i.e., on promotion) or at the end of archive recovery, while standby.signal
was removed. As a result, a leftover recovery.signal could cause
a subsequent restart to enter archive recovery unexpectedly, potentially
preventing the server from starting. This behavior was surprising and
confusing to users.

This commit fixes the issue by updating the recovery code to remove
recovery.signal alongside standby.signal when both files are present and
recovery completes.

Because this code path is particularly sensitive and changes in recovery
behavior can be risky for stable branches, this change is applied only to
the master branch.

Reported-by: Nikolay Samokhvalov <nik@postgres.ai>
Author: Fujii Masao <masao.fujii@gmail.com>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Reviewed-by: David Steele <david@pgbackrest.org>
Discussion: https://postgr.es/m/CAM527d8PVAQFLt_ndTXE19F-XpDZui861882L0rLY3YihQB8qA@mail.gmail.com
2026-02-16 13:57:38 +09:00
.github Add CODE_OF_CONDUCT.md, CONTRIBUTING.md, and SECURITY.md. 2024-07-02 13:03:58 -05:00
config Revert "Change copyObject() to use typeof_unqual" 2026-02-07 10:08:38 +01:00
contrib pgcrypto: Tweak error message for incorrect session key length 2026-02-16 12:18:18 +09:00
doc doc: Mention PASSING support for jsonpath variables 2026-02-13 12:12:11 +01:00
src Remove recovery.signal at recovery end when both signal files are present. 2026-02-16 13:57:38 +09:00
.cirrus.star ci: Simplify ci-os-only handling 2025-08-14 12:09:34 -04:00
.cirrus.tasks.yml ci: Configure g++ with 32-bit for 32-bit build 2026-01-09 08:58:50 +01:00
.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 a couple of recent commits to .git-blame-ignore-revs. 2026-01-28 15:56:48 -06:00
.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 Revert "Change copyObject() to use typeof_unqual" 2026-02-07 10:08:38 +01:00
configure.ac Revert "Change copyObject() to use typeof_unqual" 2026-02-07 10:08:38 +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 Remove AIX support 2024-02-28 15:17:23 +04:00
meson.build meson: Add target for generating docs images 2026-02-13 11:50:14 +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

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/.