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0f29022e05
The documentation for exported snapshots in logical decoding previously stated that snapshot creation may fail on a hot standby. This is no longer accurate, as snapshot exporting on standbys has been supported since PostgreSQL 10. This commit removes the outdated description. Additionally, the docs referred to the NOEXPORT_SNAPSHOT option to suppress snapshot exporting in CREATE_REPLICATION_SLOT. However, since PostgreSQL 15, NOEXPORT_SNAPSHOT is considered legacy syntax and retained only for backward compatibility. This commit updates the documentation for v15 and later to use the modern equivalent: SNAPSHOT 'nothing'. The older syntax is preserved in documentation for v14 and earlier. Back-patched to all supported branches. Reported-by: Kevin K Biju <kevinkbiju@gmail.com> Author: Fujii Masao <masao.fujii@gmail.com> Reviewed-by: Kevin K Biju <kevinkbiju@gmail.com> Discussion: https://postgr.es/m/174791480466.798.17122832105389395178@wrigleys.postgresql.org Backpatch-through: 13 |
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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/.