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ALTER INDEX .. ATTACH PARTITION fails if the partitioned table where the index is defined contains more dropped columns than its partition, with this message: ERROR: incorrect attribute map The cause was that one caller of CompareIndexInfo was passing the number of attributes of the partition rather than the parent, which confused the length check. Repair. This can cause pg_upgrade to fail when used on such a database. Leave some more objects around after regression tests, so that the case is detected by pg_upgrade test suite. Remove some spurious empty lines noticed while looking for other cases of the same problem. Discussion: https://postgr.es/m/20190326213924.GA2322@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/.