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Michael Paquier fd7d7b7191 Improve checks for GUC recovery_target_timeline
Currently check_recovery_target_timeline() converts any value that is
not "current", "latest", or a valid integer to 0.  So, for example, the
following configuration added to postgresql.conf followed by a startup:
recovery_target_timeline = 'bogus'
recovery_target_timeline = '9999999999'

...  results in the following error patterns:
FATAL:  22023: recovery target timeline 0 does not exist
FATAL:  22023: recovery target timeline 1410065407 does not exist

This is confusing, because the server does not reflect the intention of
the user, and just reports incorrect data unrelated to the GUC.

The origin of the problem is that we do not perform a range check in the
GUC value passed-in for recovery_target_timeline.  This commit improves
the situation by using strtou64() and by providing stricter range
checks.  Some test cases are added for the cases of an incorrect, an
upper-bound and a lower-bound timeline value, checking the sanity of the
reports based on the contents of the server logs.

Author: David Steele <david@pgmasters.net>
Discussion: https://postgr.es/m/e5d472c7-e9be-4710-8dc4-ebe721b62cea@pgbackrest.org
2025-07-03 11:14:20 +09:00
.github Add CODE_OF_CONDUCT.md, CONTRIBUTING.md, and SECURITY.md. 2024-07-02 13:03:58 -05:00
config Include _mm512_zextsi128_si512() in AVX-512 configure probes. 2025-06-23 11:50:21 -04:00
contrib meson: Increase minimum version to 0.57.2 2025-07-02 11:14:53 +02:00
doc doc: pg_buffercache documentation wordsmithing 2025-07-02 11:42:36 +02:00
src Improve checks for GUC recovery_target_timeline 2025-07-03 11:14:20 +09:00
.cirrus.star Remove duplicate words in docs and code comments. 2023-10-09 09:18:47 +05:30
.cirrus.tasks.yml ci: Check for missing dependencies in meson builds 2025-04-09 22:01:58 +02:00
.cirrus.yml ci: Test NetBSD and OpenBSD 2025-02-12 09:40:07 -05:00
.dir-locals.el Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:31 -08:00
.editorconfig Add script to keep .editorconfig in sync with .gitattributes 2025-02-01 10:09:45 +01:00
.git-blame-ignore-revs Add commit 9e345415bc to .git-blame-ignore-revs. 2025-07-01 14:30:16 -05:00
.gitattributes Add script to keep .editorconfig in sync with .gitattributes 2025-02-01 10:09:45 +01:00
.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 Stamp HEAD as 19devel. 2025-06-29 22:28:10 -04:00
configure.ac Stamp HEAD as 19devel. 2025-06-29 22:28:10 -04:00
COPYRIGHT Align organization wording in copyright statement 2025-05-16 11:20:07 -04:00
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: Increase minimum version to 0.57.2 2025-07-02 11:14:53 +02:00
meson_options.txt Add support for basic NUMA awareness 2025-04-07 23:08:17 +02:00
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/.