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Noah Misch 0f69beddea For inplace update, send nontransactional invalidations. 
The inplace update survives ROLLBACK.  The inval didn't, so another
backend's DDL could then update the row without incorporating the
inplace update.  In the test this fixes, a mix of CREATE INDEX and ALTER
TABLE resulted in a table with an index, yet relhasindex=f.  That is a
source of index corruption.

Back-patch to v14 - v17.  This is a back-patch of commits:

- 243e9b40f1
  (main change, on master, before v18 branched)
- 0bada39c83
  (defect fix, on master, before v18 branched)
- bae8ca82fd
  (cosmetics from post-commit review, on REL_18_STABLE)

It reverses commit c1099dd745, my revert
of the original back-patch of 243e9b4.

This back-patch omits the non-comment heap_decode() changes.  I find
those changes removed harmless code that was last necessary in v13.  See
discussion thread for details.  The back branches aren't the place to
remove such code.

Like the original back-patch, this doesn't change WAL, because these
branches use end-of-recovery SIResetAll().  All branches change the ABI
of extern function PrepareToInvalidateCacheTuple().  No PGXN extension
calls that, and there's no apparent use case in extensions.  Expect
".abi-compliance-history" edits to follow.

Reviewed-by: Paul A Jungwirth <pj@illuminatedcomputing.com>
Reviewed-by: Surya Poondla <s_poondla@apple.com>
Reviewed-by: Ilyasov Ian <ianilyasov@outlook.com>
Reviewed-by: Nitin Motiani <nitinmotiani@google.com> (in earlier versions)
Reviewed-by: Andres Freund <andres@anarazel.de> (in earlier versions)
Discussion: https://postgr.es/m/20240523000548.58.nmisch@google.com
Backpatch-through: 14-17
2025-12-16 16:13:54 -08:00
config Don't put library-supplied -L/-I switches before user-supplied ones. 2025-07-29 15:17:41 -04:00
contrib Fix multibyte issue in ltree_strncasecmp(). 2025-12-16 10:36:29 -08:00
doc doc: Fix statement about ON CONFLICT and deferrable constraints. 2025-12-09 10:49:17 +00:00
src For inplace update, send nontransactional invalidations. 2025-12-16 16:13:54 -08:00
.abi-compliance-history Update .abi-compliance-history for change to CreateStatistics(). 2025-11-17 14:14:41 -06:00
.cirrus.star ci: Simplify ci-os-only handling 2025-08-14 12:02:42 -04:00
.cirrus.tasks.yml ci: Add missing "set -e" to scripts run by su. 2025-11-06 14:18:16 +13:00
.cirrus.yml ci: Per-repo configuration for manually trigger tasks 2025-08-14 11:33:47 -04:00
.dir-locals.el Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:31 -08:00
.editorconfig Add .editorconfig 2019-12-18 09:13:13 +01:00
.git-blame-ignore-revs Add previous commit to .git-blame-ignore-revs. 2025-10-21 10:02:19 -05:00
.gitattributes Fix git whitespace warning 2025-08-15 10:32:07 +02:00
.gitignore Update top-level .gitignore. 2022-12-04 15:23:00 -05:00
aclocal.m4 autoconf: Move export_dynamic determination to configure 2022-12-06 18:55:28 -08:00
configure Stamp 17.7. 2025-11-10 16:53:58 -05:00
configure.ac Stamp 17.7. 2025-11-10 16:53:58 -05:00
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 Adapt REL_17_STABLE to its new status as a stable branch 2024-07-01 08:05:35 +09:00
meson.build Add check for large files in meson.build 2025-11-12 09:02:32 +09:00
meson_options.txt Allow selecting the git revision to be packaged by "make dist". 2024-05-03 11:08:50 -04:00
README.md Adapt REL_17_STABLE to its new status as a stable branch 2024-07-01 08:05:35 +09:00

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/17/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/17/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/.