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If a table containing a primary key is attach as partition to a partitioned table which has a primary key with a different definition, we would happily create a second one in the new partition. Oops. It turns out that this is because an error check in DefineIndex is executed only if you tell it that it's being run by ALTER TABLE, and the original code here wasn't. Change it so that it does. Added a couple of test cases for this, also. A previously working test started to fail in a different way than before patch because the new check is called earlier; change the PK to plain UNIQUE so that the new behavior isn't invoked, so that the test continues to verify what we want it to verify. Reported by: Noriyoshi Shinoda Discussion: https://postgr.es/m/DF4PR8401MB102060EC2615EC9227CC73F7EEDF0@DF4PR8401MB1020.NAMPRD84.PROD.OUTLOOK.COM
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/.