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0ba281cb4b
Previously, BASE_BACKUP used an entirely hard-coded syntax, but that's hard to extend. Instead, adopt the same kind of syntax we've used for SQL commands such as VACUUM, ANALYZE, COPY, and EXPLAIN, where it's not necessary for all of the option names to be parser keywords. In the new syntax, most of the options now take an optional Boolean argument. To match our practice in other in places, the options which the old syntax called NOWAIT and NOVERIFY_CHECKSUMS options are in the new syntax called WAIT and VERIFY_CHECKUMS, and the default value is false. In the new syntax, the FAST option has been replaced by a CHECKSUM option whose value may be 'fast' or 'spread'. This commit does not remove support for the old syntax. It just adds the new one as an additional option, and makes pg_basebackup prefer the new syntax when the server is new enough to support it. Patch by me, reviewed and tested by Fabien Coelho, Sergei Kornilov, Fujii Masao, and Tushar Ahuja. Discussion: http://postgr.es/m/CA+TgmobAczXDRO_Gr2euo_TxgzaH1JxbNxvFx=HYvBinefNH8Q@mail.gmail.com Discussion: http://postgr.es/m/CA+TgmoZGwR=ZVWFeecncubEyPdwghnvfkkdBe9BLccLSiqdf9Q@mail.gmail.com |
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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/.