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To test pg_upgrade across major PG versions, we have to be able to modify or drop any old objects with no-longer-supported properties, and we have to be able to deal with cosmetic changes in pg_dump output. Up to now, the buildfarm and pg_upgrade's own test infrastructure had separate implementations of the former, and we had nothing but very ad-hoc rules for the latter (including an arbitrary threshold on how many lines of unchecked diff were okay!). This patch creates a Perl module that can be shared by both those use-cases, and adds logic that deals with pg_dump output diffs in a much more tightly defined fashion. This largely supersedes previous efforts in commits |
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README.git |
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/.