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Álvaro Herrera 3be823486f
Fix REPACK CONCURRENTLY for stored generated columns 
In order to replay concurrent changes, REPACK CONCURRENTLY needs the
pg_attrdef tuples for the transient table to be there, in case a tuple
is modified concurrently with REPACK and requires to store the value
from the generated column (which, with the current arrangements, means
all tuples concurrently updated or inserted).  Fix by creating a copy of
them from the original table.  Add a test that tickles the bug.

Author: Antonin Houska <ah@cybertec.at>
Reported-by: Ewan Young <kdbase.hack@gmail.com>
Diagnosed-by: Ewan Young <kdbase.hack@gmail.com>
Reviewed-by: Ewan Young <kdbase.hack@gmail.com>
Backpatch-through: 19
Discussion: https://postgr.es/m/CAON2xHMrELwx9vKg6niSf8fMBA=-MGXmG=MPQU6+vMVhGjF8kQ@mail.gmail.com
2026-07-03 12:22:37 +02:00
.github ci: Improve ccache handling 2026-06-08 15:26:47 -04:00
config Update config.guess and config.sub 2026-04-09 11:26:14 +02:00
contrib pgindent fix for commit 53e6f51ee 2026-07-03 12:31:15 +09:00
doc Prevent dropping the last label from a property graph element 2026-07-03 12:10:31 +02:00
src Fix REPACK CONCURRENTLY for stored generated columns 2026-07-03 12:22:37 +02:00
.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 fdad19e1cf to .git-blame-ignore-revs. 2026-07-03 14:05:21 +05:30
.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 Stamp HEAD as 20devel. 2026-06-29 16:29:11 -04:00
configure.ac Stamp HEAD as 20devel. 2026-06-29 16:29:11 -04:00
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 Stamp HEAD as 20devel. 2026-06-29 16:29:11 -04:00
meson_options.txt Revert "Add built-in fuzzing harnesses for security testing." 2026-04-10 09:53:58 -04:00
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/.