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When beginning recovery from a base backup by reading a backup_label file, it may be possible that no checkpoint record is available depending on the method used when the case backup was taken, which would prevent recovery from beginning. In this case, the FATAL messages issued, initially added by c900c15269f0f, mentioned recovery.signal as an option to do recovery but not standby.signal. Let's add it as an available option, for clarity. Per suggestion from Bowen Shi, extracted from a larger patch by me. Author: Michael Paquier Discussion: https://postgr.es/m/CAM_vCudkSjr7NsNKSdjwtfAm9dbzepY6beZ5DP177POKy8=2aw@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. 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/.