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Tom Lane 4fbfdde58e Avoid leakage of zero-length arrays in partition_bounds_copy(). 
If ndatums is zero, the code would allocate zero-length boundKinds
and boundDatums chunks, which would have nothing pointing to them,
leading to Valgrind complaints.  Rearrange the code to avoid the
useless pallocs, and also to not bother computing byval/typlen when
they aren't used.

I'm unsure why I didn't see this in my Valgrind testing back in May.
This code hasn't changed since then, but maybe we added a regression
test that reaches this edge case.  Or possibly I just failed to
notice the reports, which do say "0 bytes lost".

Author: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/285483.1746756246@sss.pgh.pa.us
2025-08-02 21:59:46 -04:00
.github Add CODE_OF_CONDUCT.md, CONTRIBUTING.md, and SECURITY.md. 2024-07-02 13:03:58 -05:00
config Don't put library-supplied -L/-I switches before user-supplied ones. 2025-07-29 15:17:40 -04:00
contrib Allow resetting unknown custom GUCs with reserved prefixes. 2025-08-01 16:52:11 -05:00
doc Simplify options in pg_dump and pg_restore. 2025-08-02 07:51:42 -07:00
src Avoid leakage of zero-length arrays in partition_bounds_copy(). 2025-08-02 21:59:46 -04:00
.cirrus.star Remove duplicate words in docs and code comments. 2023-10-09 09:18:47 +05:30
.cirrus.tasks.yml Hide ICU C++ APIs from pg_locale.h 2025-07-09 14:20:22 +07:00
.cirrus.yml ci: Test NetBSD and OpenBSD 2025-02-12 09:40:07 -05:00
.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 commit 1d1612aec7 to .git-blame-ignore-revs. 2025-07-29 10:32:53 -05:00
.gitattributes Add script to keep .editorconfig in sync with .gitattributes 2025-02-01 10:09:45 +01:00
.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 Fix ./configure checks with __cpuidex() and __cpuid() 2025-07-30 11:55:42 +09:00
configure.ac Fix ./configure checks with __cpuidex() and __cpuid() 2025-07-30 11:55:42 +09:00
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 Remove AIX support 2024-02-28 15:17:23 +04:00
meson.build Fix ./configure checks with __cpuidex() and __cpuid() 2025-07-30 11:55:42 +09:00
meson_options.txt Add support for basic NUMA awareness 2025-04-07 23:08:17 +02:00
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/.