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pg_size_pretty(bigint) would return the value in bytes rather than PB for the smallest-most bigint value. This happened due to an incorrect assumption that the absolute value of -9223372036854775808 could be stored inside a signed 64-bit type. Here we fix that by instead storing that value in an unsigned 64-bit type. This bug does exist in versions prior to 15 but the code there is sufficiently different and the bug seems sufficiently non-critical that it does not seem worth risking backpatching further. Author: Joseph Koshakow <koshy44@gmail.com> Discussion: https://postgr.es/m/CAAvxfHdTsMZPWEHUrZ=h3cky9Ccc3Mtx2whUHygY+ABP-mCmUw@mail.gmail.com Backpatch-through: 15
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/.