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dc7d70ea05
Add four new SQL accessible functions: pg_control_system(), pg_control_checkpoint(), pg_control_recovery(), and pg_control_init() which expose a subset of the control file data. Along the way move the code to read and validate the control file to src/common, where it can be shared by the new backend functions and the original pg_controldata frontend program. Patch by me, significant input, testing, and review by Michael Paquier.
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/.