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Tom Lane 400928b83b Fix incompatibilities with libxml2 >= 2.12.0.
libxml2 changed the required signature of error handler callbacks
to make the passed xmlError struct "const".  This is causing build
failures on buildfarm member caiman, and no doubt will start showing
up in the field quite soon.  Add a version check to adjust the
declaration of xml_errorHandler() according to LIBXML_VERSION.

2.12.x also produces deprecation warnings for contrib/xml2/xpath.c's
assignment to xmlLoadExtDtdDefaultValue.  I see no good reason for
that to still be there, seeing that we disabled external DTDs (at a
lower level) years ago for security reasons.  Let's just remove it.

Back-patch to all supported branches, since they might all get built
with newer libxml2 once it gets a bit more popular.  (The back
branches produce another deprecation warning about xpath.c's use of
xmlSubstituteEntitiesDefault().  We ought to consider whether to
back-patch all or part of commit 65c5864d7 to silence that.  It's
less urgent though, since it won't break the buildfarm.)

Discussion: https://postgr.es/m/1389505.1706382262@sss.pgh.pa.us
2024-01-29 12:06:13 -05:00
config jit: Require at least LLVM 10. 2024-01-25 15:42:34 +13:00
contrib Fix incompatibilities with libxml2 >= 2.12.0. 2024-01-29 12:06:13 -05:00
doc Add EXPLAIN (MEMORY) to report planner memory consumption 2024-01-29 17:53:03 +01:00
src Fix incompatibilities with libxml2 >= 2.12.0. 2024-01-29 12:06:13 -05:00
.cirrus.star Remove duplicate words in docs and code comments. 2023-10-09 09:18:47 +05:30
.cirrus.tasks.yml ci: Enable injection points in builds 2024-01-23 12:01:18 +09:00
.cirrus.yml ci: Make compute resources for CI configurable 2023-08-23 15:15:28 -07:00
.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. 2024-01-13 13:56:46 -05:00
.gitattributes Replace Gen_dummy_probes.sed with Gen_dummy_probes.pl 2023-11-14 10:27:10 +01:00
.gitignore Update top-level .gitignore. 2022-12-04 15:23:00 -05:00
COPYRIGHT Update copyright for 2024 2024-01-03 20:49:05 -05:00
GNUmakefile.in Stop generating plain-text INSTALL instructions. 2023-12-22 13:32:15 -05:00
HISTORY Canonicalize some URLs 2020-02-10 20:47:50 +01:00
Makefile Stop generating plain-text INSTALL instructions. 2023-12-22 13:32:15 -05:00
README Stop generating plain-text INSTALL instructions. 2023-12-22 13:32:15 -05:00
aclocal.m4 autoconf: Move export_dynamic determination to configure 2022-12-06 18:55:28 -08:00
configure jit: Require at least LLVM 10. 2024-01-25 15:42:34 +13:00
configure.ac Add backend support for injection points 2024-01-22 10:15:50 +09:00
meson.build jit: Require at least LLVM 10. 2024-01-25 15:42:34 +13:00
meson_options.txt Add backend support for injection points 2024-01-22 10:15:50 +09:00

README

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/.