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Tom Lane f463de59d9 In psql, avoid leaking a PGresult after a query is cancelled. 
After a query cancel, the tail end of ExecQueryAndProcessResults
took care to clear any not-yet-read PGresults; but it forgot about
the one it has already read.  There would only be such a result
when handling a multi-command string made with "\;", so that you'd
have to cancel an earlier command in such a string to reach the
bug at all.  Even then, there would only be leakage of a single
PGresult per cancel, so it's not surprising nobody noticed this.
But a leak is a leak.

Noted while re-reviewing 90f517821, but this is independent of that:
it dates to 7844c9918.  Back-patch to v15 where that came in.
2024-04-08 17:00:07 -04:00
config Optimize pg_popcount() with AVX-512 instructions. 2024-04-06 21:56:23 -05:00
contrib Add pg_buffercache_evict() function for testing. 2024-04-08 16:23:40 +12:00
doc JSON_TABLE: Add support for NESTED paths and columns 2024-04-08 16:14:13 +09:00
src In psql, avoid leaking a PGresult after a query is cancelled. 2024-04-08 17:00:07 -04:00
.cirrus.star Remove duplicate words in docs and code comments. 2023-10-09 09:18:47 +05:30
.cirrus.tasks.yml Add tests for libpq gssencmode and sslmode options 2024-04-08 02:49:32 +03:00
.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 commit 64e401b62b to .git-blame-ignore-revs. 2024-03-26 15:08:47 -05:00
.gitattributes Remove non-existing file from .gitattributes 2024-02-16 11:39:09 +01:00
.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 Optimize pg_popcount() with AVX-512 instructions. 2024-04-06 21:56:23 -05:00
configure.ac Optimize pg_popcount() with AVX-512 instructions. 2024-04-06 21:56:23 -05:00
COPYRIGHT Update copyright for 2024 2024-01-03 20:49:05 -05:00
GNUmakefile.in make dist uses git archive 2024-03-25 06:29:53 +01:00
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 Optimize pg_popcount() with AVX-512 instructions. 2024-04-06 21:56:23 -05:00
meson_options.txt Add backend support for injection points 2024-01-22 10:15:50 +09:00
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/.