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The test module includes helper functions to quickly burn through lots of XIDs. They are used in the tests, and are also handy for manually testing XID wraparound. Since these tests are very expensive the entire suite is disabled by default. It requires to set PG_TEST_EXTRA to run it. Reviewed-by: Daniel Gustafsson, John Naylor, Michael Paquier Reviewed-by: vignesh C Author: Heikki Linnakangas, Masahiko Sawada, Andres Freund Discussion: https://www.postgresql.org/message-id/CAD21AoDVhkXp8HjpFO-gp3TgL6tCKcZQNxn04m01VAtcSi-5sA%40mail.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. 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, 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/.