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Once upon a time, it made sense for the ecpg preprocessor to have its own version number, because it used a manually-maintained grammar that wasn't always in sync with the core grammar. But those days are thankfully long gone, leaving only a maintenance nuisance behind. Let's use the PG v10 version numbering changeover as an excuse to get rid of the ecpg version number and just have ecpg identify itself by PG_VERSION. From the user's standpoint, ecpg will go from "4.12" in the 9.6 branch to "10" in the 10 branch, so there's no failure of monotonicity. Discussion: <1471332659.4410.67.camel@postgresql.org>
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: http://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 http://www.postgresql.org/download/. For more information look at our web site located at http://www.postgresql.org/.