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We've grown 2 versions of pg_size_pretty over the years, one for BIGINT and one for NUMERIC. Both should output the same, but keeping them in sync is harder than needed due to neither function sharing a source of truth about which units to use and how to transition to the next largest unit. Here we add a static array which defines the units that we recognize and have both pg_size_pretty and pg_size_pretty_numeric use it. This will make adding any units in the future a very simple task. The table contains all information required to allow us to also modify pg_size_bytes to use the lookup table, so adjust that too. There are no behavioral changes here. Author: David Rowley Reviewed-by: Dean Rasheed, Tom Lane, David Christensen Discussion: https://postgr.es/m/CAApHDvru1F7qsEVL-iOHeezJ+5WVxXnyD_Jo9nht+Eh85ekK-Q@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. 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/.