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f45dc59a38
Support issuing more than one "-c command" switch to a single psql invocation. This allows combining some things that formerly required two or more backend launches into a single session. In particular, we can issue DROP DATABASE as one of the -c commands without getting "DROP DATABASE cannot run inside a transaction block". In addition to reducing the number of sessions needed, this patch also suppresses "NOTICE: database "foo" does not exist, skipping" chatter that was formerly generated during pg_regress's DROP DATABASE (or ROLE) IF NOT EXISTS calls. That moves us another step closer to the ideal of not seeing any messages during successful build/test. This also eliminates some hard-coded restrictions on the length of the commands issued. I don't think we were anywhere near hitting those, but getting rid of the limit is comforting. Patch by me, but thanks to Nathan Bossart for starting the discussion. Discussion: https://postgr.es/m/DCBAE0E4-BD56-482F-8A70-7FD0DC0860BE@amazon.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/.