44fe6ceb51
The implementation of FSM for indexes is simpler than heap, where 0 is used to track if a page is in-use and (BLCKSZ - 1) if a page is free. One comment in indexfsm.c and one description in the documentation of pg_freespacemap were incorrect about that. Author: Alex Friedman <alexf01@gmail.com> Discussion: https://postgr.es/m/71eef655-c192-453f-ac45-2772fec2cb04@gmail.com Backpatch-through: 13
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/.