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Filename Latest commit message Latest commit date
Heikki Linnakangas 77705d1e5a Fix two crashes on a concurrently dropped schema
pg_identify_object() looks up the object's schema name without a lock
on the schema, so a concurrent DROP SCHEMA can make get_namespace_name()
return NULL, which was then passed to quote_identifier().  Report the
schema as NULL instead, as is already done for objects that have gone
away.

Similarly, schema_to_xml() and the related SQL/XML functions look up
the schema name without a lock on the schema, and a concurrent DROP
SCHEMA can make get_namespace_name() return NULL, which was then
dereferenced.  Report that the schema does not exist, or skip it when
mapping all schemas of the database.

Author: Baji Shaik <baji.pgdev@gmail.com>
Discussion: https://www.postgresql.org/message-id/CA+fm-RPD0m9QL8W+804SGBBxn5iFz5wn=kncaP9SkM-s4PUANw@mail.gmail.com
Backpatch-through: 14
2026-10-31 13:24:50 +02:00
.github ci: Enable PCH in mingw cross job 2026-10-25 10:30:17 +01:00
config Revert "Use -isystem for LLVM include directories" 2026-09-12 15:50:08 +02:00
contrib pg_stash_advice: Fix race conditions in 001_persist.pl 2026-10-30 12:40:21 -04:00
doc pg_plan_advice: Fix multiple problems with NO_GATHER advice. 2026-10-28 15:06:58 -04:00
src Fix two crashes on a concurrently dropped schema 2026-10-31 13:24:50 +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 a few recent commits to .git-blame-ignore-revs. 2026-10-30 13:10:23 -05:00
.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 Use warning option -Wshadow=local 2026-09-24 11:15:27 +02:00
configure.ac Use warning option -Wshadow=local 2026-09-24 11:15:27 +02:00
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 Add missing dependencies to meson headerscheck target 2026-10-19 10:32:45 +02:00
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

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/.