ce6afc6823
This adds a new routine to src/common/ which is compatible with both the frontend and backend code, able to update the control file's contents. This is now getting used only by pg_rewind, but some upcoming patches which add more control on checksums for offline instances will make use of it. This could also get used more by the backend as xlog.c has its own flavor of the same logic with some wait events and an additional flush phase before closing the opened file descriptor, but this is let as separate work. Author: Michael Banck, Michael Paquier Reviewed-by: Fabien Coelho, Sergei Kornilov Discussion: https://postgr.es/m/20181221201616.GD4974@nighthawk.caipicrew.dd-dns.de
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/.