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A new PostgresVersion object type is created and this is used in PostgresNode using the output of `pg_config --version` and the result stored in the PostgresNode object. This object can be compared to other PostgresVersion objects, or to a number or string. PostgresNode is currently believed to be compatible with versions down to release 12, so PostgresNode will issue a warning if used with a version prior to that. No attempt has been made to deal with incompatibilities in older versions - that remains work to be undertaken in a subsequent development cycle. Based on code from Mark Dilger and Jehan-Guillaume de Rorthais. Discussion: https://postgr.es/m/a80421c0-3d7e-def1-bcfe-24777f15e344@dunslane.net
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/.