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This adds the CONCURRENTLY option to the REINDEX command. A REINDEX CONCURRENTLY on a specific index creates a new index (like CREATE INDEX CONCURRENTLY), then renames the old index away and the new index in place and adjusts the dependencies, and then drops the old index (like DROP INDEX CONCURRENTLY). The REINDEX command also has the capability to run its other variants (TABLE, DATABASE) with the CONCURRENTLY option (but not SYSTEM). The reindexdb command gets the --concurrently option. Author: Michael Paquier, Andreas Karlsson, Peter Eisentraut Reviewed-by: Andres Freund, Fujii Masao, Jim Nasby, Sergei Kornilov Discussion: https://www.postgresql.org/message-id/flat/60052986-956b-4478-45ed-8bd119e9b9cf%402ndquadrant.com#74948a1044c56c5e817a5050f554ddee
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/.