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Michael Paquier 08c3ad27eb Rework how logirep launchers are stopped during pg_upgrade 
This is a rework of 7021d3b176, where we relied on forcing
max_logical_replication_workers to 0 in the postgres command.  This
commit now prevents logical replication launchers to start using -b and
a backend-side check based on IsBinaryUpgrade, effective when upgrading
from 17 and newer versions.

This commit improves the comments explaining why this restriction is
necessary.

This discussion was on hold until we were sure how to add support for
subscribers in pg_upgrade, something now done thanks to 9a17be1e24.

Reviewed-by: Álvaro Herrera, Amit Kapila, Tom Lane
Discussion: https://postgr.es/m/ZU2TeVkUg5qEi7Oy@paquier.xyz
2024-01-12 08:23:07 +09:00
config Add copyright notices to a few perl scripts that don't have them 2024-01-05 13:15:50 +00:00
contrib Make dblink interruptible, via new libpqsrv APIs. 2024-01-08 11:39:56 -08:00
doc Add new pg_walsummary tool. 2024-01-11 12:48:27 -05:00
src Rework how logirep launchers are stopped during pg_upgrade 2024-01-12 08:23:07 +09:00
.cirrus.star Remove duplicate words in docs and code comments. 2023-10-09 09:18:47 +05:30
.cirrus.tasks.yml Use "template" data directory in tests 2023-08-24 14:38:02 -07:00
.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 "Add trailing commas to enum definitions" to .git-blame-ignore-revs 2023-10-26 13:03:43 +02:00
.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
aclocal.m4 autoconf: Move export_dynamic determination to configure 2022-12-06 18:55:28 -08:00
configure Update copyright for 2024 2024-01-03 20:49:05 -05:00
configure.ac Update copyright for 2024 2024-01-03 20:49:05 -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
meson_options.txt Update copyright for 2024 2024-01-03 20:49:05 -05:00
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README Stop generating plain-text INSTALL instructions. 2023-12-22 13:32:15 -05:00

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/.