
Previously, \g would successfully execute the COPY command, but the target specification if any was ignored, so that the data was always dumped to the regular query output target. This seems like a clear bug, so let's not just fix it but back-patch it. While at it, adjust the documentation for \copy to recommend "COPY ... TO STDOUT \g foo" as a plausible alternative. Back-patch to 9.5. The problem exists much further back, but the code associated with \g was refactored enough in 9.5 that we'd need a significantly different patch for 9.4, and it doesn't seem worth the trouble. Daniel Vérité, reviewed by Fabien Coelho Discussion: https://postgr.es/m/15dadc39-e050-4d46-956b-dcc4ed098753@manitou-mail.org
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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/.
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