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Clarified that the failover steps apply to a specific PostgreSQL subscriber and added guidance for verifying replication slot synchronization during planned failover. Additionally, corrected the standby query to avoid false positives by checking invalidation_reason IS NULL instead of conflicting. Author: Ashutosh Bapat <ashutosh.bapat.oss@gmail.com> Author: Shveta Malik <shveta.malik@gmail.com> Backpatch-through: 17, where it was introduced Discussion: https://www.postgresql.org/message-id/CAExHW5uiZ-fF159=jwBwPMbjZeZDtmcTbN+hd4mrURLCg2uzJg@mail.gmail.com
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/.