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Michael Paquier e592535d22 Trim regression test expected output for xml 
This commit reduces the number of expected output files for the "xml"
test from three to two (well, mostly one, see below for details).

xml_2.out existed to handle some differences in output due to libxml2
2.9.3, due to some error context missing (085423e3e3).  This file is
removed, by tweaking the XML inputs to trigger the same error patterns
for the problematic 2.9.3 and other libxml2 versions.  This part is
authored by Tom Lane.

xml_1.out (no libxml2 support) is reduced in size by adding an \if query
that exits the test early.  This still checks NO_XML_SUPPORT() through
xmlin().  The rest of the test is skipped if XML input cannot be
handled by the backend.  This part has been written by me.

Author: Tom Lane <tgl@sss.pgh.pa.us>
Author: Michael Paquier <michael@paquier.xyz>
Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Discussion: https://postgr.es/m/aiu6CXO67q-s70n5@paquier.xyz
Backpatch-through: 14
2026-06-15 11:37:55 +09:00
.github Add CODE_OF_CONDUCT.md, CONTRIBUTING.md, and SECURITY.md. 2024-07-02 13:03:58 -05:00
config Allow PG_PRINTF_ATTRIBUTE to be different in C and C++ code. 2026-02-25 11:57:26 -05:00
contrib amcheck: Use correct varlena size accessor in bt_normalize_tuple() 2026-06-14 04:05:50 +03:00
doc Doc: remove stale entry for removed aclitem[] ~ aclitem operator. 2026-06-14 11:01:48 -04:00
src Trim regression test expected output for xml 2026-06-15 11:37:55 +09:00
.abi-compliance-history Update .abi-compliance-history for AddRelationNotNullConstraints(). 2026-02-21 13:08:44 +01:00
.cirrus.star ci: Simplify ci-os-only handling 2025-08-14 12:09:53 -04:00
.cirrus.tasks.yml Make stack depth check work with asan's use-after-return 2026-05-28 11:34:11 -04:00
.cirrus.yml ci: Per-repo configuration for manually trigger tasks 2025-08-14 11:33:44 -04:00
.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 previous commit to .git-blame-ignore-revs. 2025-10-21 10:02:19 -05:00
.gitattributes Fix git whitespace warning 2025-08-15 10:32:22 +02:00
.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 18.4. 2026-05-11 15:44:35 -04:00
configure.ac Stamp 18.4. 2026-05-11 15:44:35 -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 Adapt REL_18_STABLE to its new status as a stable branch 2025-06-29 23:00:00 -04:00
meson.build Stamp 18.4. 2026-05-11 15:44:35 -04:00
meson_options.txt Add support for basic NUMA awareness 2025-04-07 23:08:17 +02:00
README.md Adapt REL_18_STABLE to its new status as a stable branch 2025-06-29 23:00:00 -04:00

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/18/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/18/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/.