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Following are a few clean-ups related to failover option support in slots: 1. Improve the documentation in create_subscription.sgml. 2. Remove the spurious blank line in subscriptioncmds.c. 3. Remove the NOTICE for alter_replication_slot in subscriptioncmds.c as we would sometimes print it even when nothing has changed. One can find the change by enabling log_replication_commands on the publisher. 4. Optimize ReplicationSlotAlter() function to prevent disk flushing when the slot's data remains unchanged. Author: Hou Zhijie Reviewed-by: Amit Kapila Discussion: https://postgr.es/m/514f6f2f-6833-4539-39f1-96cd1e011f23@enterprisedb.com Discussion: https://postgr.es/m/OS0PR01MB57164904651FB588A518E98894472@OS0PR01MB5716.jpnprd01.prod.outlook.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/.