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The existing facility of vacuumdb to handle parallel connections into a given database with an authentication set is moved to a common file in src/bin/scripts/, named scripts_parallel.c. This introduces a set of routines to initialize, wait and terminate a set of connections, simplifying a bit the code of vacuumdb on the way. More routines related to result handling and database connection are moved to common.c. The initial plan is to use that for reindexdb, but it could be applied to other tools like clusterdb. While on it, clean up a set of variables "progname" which were defined as routine arguments for error messages. Since most of the callers have switched to pg_log_error() and such there is no need for this variable. Author: Julien Rouhaud Reviewed-by: Michael Paquier, Álvaro Herrera Discussion: https://postgr.es/m/CAOBaU_YrnH_Jqo46NhaJ7uRBiWWEcS40VNRQxgFbqYo9kApUsg@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/.