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David Rowley 33b06a2001 Fix possible Assert failure in verify_compact_attribute() 
Sometimes the TupleDesc used in verify_compact_attribute() is shared
among backends, and since CompactAttribute.attcacheoff gets updated
during tuple deformation, it was possible that another backend would
set attcacheoff on a given CompactAttribute in the small window of time
from when the attcacheoff from the live CompactAttribute was being set
in the 'tmp' CompactAttribute and before the Assert verifying that the
live and tmp CompactAttributes matched.

Here we adjust the code to make a copy of the live CompactAttribute so
that we're not trying to Assert against a shared copy of it.

Author: David Rowley <dgrowleyml@gmail.com>
Reported-by: Alexander Lakhin <exclusion@gmail.com>
Discussion: https://postgr.es/m/7195e408-758c-4031-8e61-4f842c716ac0@gmail.com
2025-06-17 10:49:36 +12:00
.github Add CODE_OF_CONDUCT.md, CONTRIBUTING.md, and SECURITY.md. 2024-07-02 13:03:58 -05:00
config oauth: Move the builtin flow into a separate module 2025-05-01 09:14:30 -07:00
contrib Fix squashing algorithm for query texts 2025-06-12 14:21:21 +02:00
doc doc: Clean up title case use 2025-06-16 11:43:52 +02:00
src Fix possible Assert failure in verify_compact_attribute() 2025-06-17 10:49:36 +12:00
.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 b27644bad to .git-blame-ignore-revs. 2025-06-15 13:11:04 -04:00
.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 Make our usage of memset_s() conform strictly to the C11 standard. 2025-05-18 12:45:55 -04:00
configure.ac Make our usage of memset_s() conform strictly to the C11 standard. 2025-05-18 12:45:55 -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 Make our usage of memset_s() conform strictly to the C11 standard. 2025-05-18 12:45:55 -04:00
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

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/.