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When testing pg_upgrade against an old server, ignore failures on the check to upgrade invalid databases. This is necessary because old servers don't know to raise the appropriate error of the database being invalid. This change causes no reduction in coverage, because such old versions don't know to mark databases invalid when a drop is interrupted; but testing against such old servers is useful in some circumstances. Backpatch to 16, where it cherry-picks with minimal conflicts. On 16, perltidy 20230309 chooses to change an unrelated line. I let it do that because that's the version we document as preferred for that branch, even though it would make other changes to many other files in the tree. Discussion: https://postgr.es/m/202404181539.lh42llaesnv3@alvherre.pgsql
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/.