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Since commitba94518a, we used XLogFileOpen to open the next segment for writing, but if the end-of-recovery happens exactly at a segment boundary, the new segment might not exist yet. (Beforeba94518a, XLogFileOpen was correct, because we would open the previous segment if the switch happened at the boundary.) Instead of trying to create it if necessary, it's simpler to not bother opening the segment at all. XLogWrite() will open or create it soon anyway, after writing the checkpoint or end-of-recovery record. Reported by Andres Freund.
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: http://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 http://www.postgresql.org/download/. For more information look at our web site located at http://www.postgresql.org/.