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This commit implements a new replication command called ALTER_REPLICATION_SLOT and a corresponding walreceiver API function named walrcv_alter_slot. Additionally, the CREATE_REPLICATION_SLOT command has been extended to support the failover option. These new additions allow the modification of the failover property of a replication slot on the publisher. A subsequent commit will make use of these commands in subscription commands and will add the tests as well to cover the functionality added/changed by this commit. Author: Hou Zhijie, Shveta Malik Reviewed-by: Peter Smith, Bertrand Drouvot, Dilip Kumar, Masahiko Sawada, Nisha Moond, Kuroda, Hayato, Amit Kapila Discussion: https://postgr.es/m/514f6f2f-6833-4539-39f1-96cd1e011f23@enterprisedb.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/.