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Noah Misch 112d055706 Lock owned sequences during ALTER TABLE SET { LOGGED | UNLOGGED }. 
These commands already make the persistence of owned sequences follow
owned table persistence changes.  They didn't lock those sequences.
They lost the effect of nextval() calls that other sessions make after
the ALTER TABLE command, before the ALTER TABLE transaction commits.
Fix by acquiring the same lock that ALTER SEQUENCE SET { LOGGED |
UNLOGGED } acquires.  This might cause more deadlocks.  Back-patch to
v15, where commit 344d62fb9a introduced
unlogged sequences.

Reviewed (in an earlier version) by Robert Haas.

Discussion: https://postgr.es/m/20240611024525.9f.nmisch@google.com
2024-06-27 19:21:09 -07:00
config Log LLVM library version in configure output. 2023-10-22 14:23:11 +13:00
contrib postgres_fdw: Refuse to send FETCH FIRST WITH TIES to remote servers. 2024-06-07 17:45:02 +09:00
doc Doc: Generated columns are skipped for logical replication. 2024-06-21 09:49:30 +05:30
src Lock owned sequences during ALTER TABLE SET { LOGGED | UNLOGGED }. 2024-06-27 19:21:09 -07:00
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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.

PostgreSQL has many language interfaces, many of which are listed here:

	https://www.postgresql.org/download/

See the file INSTALL for instructions on how to build and install
PostgreSQL.  That file also lists supported operating systems and
hardware platforms and contains information regarding any other
software packages that are required to build or run the PostgreSQL
system.  Copyright and license information can be found in the
file COPYRIGHT.  A comprehensive documentation set is included in this
distribution; it can be read as described in the installation
instructions.

The latest version of this software may be obtained at
https://www.postgresql.org/download/.  For more information look at our
web site located at https://www.postgresql.org/.