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Noah Misch 8e7e672cda WAL-log inplace update before revealing it to other sessions. 
A buffer lock won't stop a reader having already checked tuple
visibility.  If a vac_update_datfrozenid() and then a crash happened
during inplace update of a relfrozenxid value, datfrozenxid could
overtake relfrozenxid.  That could lead to "could not access status of
transaction" errors.  Back-patch to v12 (all supported versions).  In
v14 and earlier, this also back-patches the assertion removal from
commit 7fcf2faf9c.

Discussion: https://postgr.es/m/20240620012908.92.nmisch@google.com
2024-10-25 06:51:03 -07:00
.github
config Simplify checking for xlocale.h 2024-10-01 07:23:45 -04:00
contrib Track more precisely query locations for nested statements 2024-10-24 09:29:54 +09:00
doc doc: Fix typo in pg_restore_*_stats function documentation 2024-10-25 14:00:13 +02:00
src WAL-log inplace update before revealing it to other sessions. 2024-10-25 06:51:03 -07:00
.cirrus.star
.cirrus.tasks.yml Add PG_TEST_PG_COMBINEBACKUP_MODE to CI tasks 2024-09-10 16:30:38 +02:00
.cirrus.yml
.dir-locals.el
.editorconfig
.git-blame-ignore-revs Add commit 7f7474a8e4 to .git-blame-ignore-revs. 2024-10-14 15:09:39 -05:00
.gitattributes
.gitignore
aclocal.m4
configure Raise the minimum supported OpenSSL version to 1.1.1 2024-10-24 15:20:19 +02:00
configure.ac Raise the minimum supported OpenSSL version to 1.1.1 2024-10-24 15:20:19 +02:00
COPYRIGHT
GNUmakefile.in
HISTORY
Makefile
meson.build Raise the minimum supported OpenSSL version to 1.1.1 2024-10-24 15:20:19 +02:00
meson_options.txt
README.md

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/.