This is in preparation for adding a second source file to this directory. It will need access to this value. Also, fewer global variables is usually a good thing. Amul Sul, reviewed by Sravan Kumar and revised a bit by me. Discussion: http://postgr.es/m/CAAJ_b95mcGjkfAf1qduOR97CokW8-_i-dWLm3v6x1w2-OW9M+A@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.
Copyright and license information can be found in the file COPYRIGHT.
General documentation about this version of PostgreSQL can be found at https://www.postgresql.org/docs/devel/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/devel/installation.html.
The latest version of this software, and related software, may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.