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As a demonstration of the sort of thing that can be done by adding a custom backup target, this defines a 'shell' target which executes a command defined by the system administrator. The command is executed once for each tar archive generate by the backup and once for the backup manifest, if any. Each time the command is executed, it receives the contents of th file for which it is executed via standard input. The configured command can use %f to refer to the name of the archive (e.g. base.tar, $TABLESPACE_OID.tar, backup_manifest) and %d to refer to the target detail (pg_basebackup --target shell:DETAIL). A target detail is required if %d appears in the configured command and forbidden if it does not. Patch by me, reviewed by Abhijit Menon-Sen. Discussion: http://postgr.es/m/CA+TgmoaqvdT-u3nt+_kkZ7bgDAyqDB0i-+XOMmr5JN2Rd37hxw@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/.