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Mirror of the official PostgreSQL GIT repository. Note that this is just a *mirror* - we don't work with pull requests on github. To contribute, please see https://wiki.postgresql.org/wiki/Submitting_a_Patch
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Michael Paquier 52a1df85f2 Fix race condition in subscription TAP test 021_twophase 
The test did not wait for all the subscriptions to have caught up when
dropping the subscription "tab_copy".  In a slow environment, it could
be possible for the replay of the COMMIT PREPARED transaction "mygid"
to not be confirmed yet, causing one prepared transaction to be left
around before moving to the next steps of the test.

One failure noticed is a transaction found in pg_prepared_xacts for the
cases where copy_data = false and two_phase = true, but there should be
none after dropping the subscription.

As an extra safety measure, a check is added before dropping the
subscription, scanning pg_prepared_xacts to make sure that no prepared
transactions are left once both subscriptions have caught up.

Issue introduced by a8fd13cab0, fixing a problem similar to
eaf5321c35.

Per buildfarm member kestrel.

Author: Vignesh C <vignesh21@gmail.com>
Reviewed-by: Amit Kapila <amit.kapila16@gmail.com>
Discussion: https://postgr.es/m/CALDaNm329QaZ+bwU--bW6GjbNSZ8-38cDE8QWofafub7NV67oA@mail.gmail.com
Backpatch-through: 15
2025-05-26 17:28:37 +09:00
.github Add CODE_OF_CONDUCT.md, CONTRIBUTING.md, and SECURITY.md. 2024-07-02 13:03:58 -05:00
config oauth: Move the builtin flow into a separate module 2025-05-01 09:14:30 -07:00
contrib Revert "Don't lock partitions pruned by initial pruning" 2025-05-22 17:02:35 +09:00
doc Doc: Make logical replication examples executable in bulk. 2025-05-26 11:05:05 +05:30
src Fix race condition in subscription TAP test 021_twophase 2025-05-26 17:28:37 +09:00
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meson_options.txt Add support for basic NUMA awareness 2025-04-07 23:08:17 +02:00
meson.build Make our usage of memset_s() conform strictly to the C11 standard. 2025-05-18 12:45:55 -04:00
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/.