The key is the first member of PrivateRefCountEntry, which has type
Buffer. This commit changes the key size from sizeof(int32) to
sizeof(Buffer). This appears to be an oversight in commit
4b4b680c3d, but it's of no consequence because Buffer has been a
signed 32-bit integer for a long time.
Author: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>
Discussion: https://postgr.es/m/aS77DTpl0fOkIKSZ%40ip-10-97-1-34.eu-west-3.compute.internal
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/.