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This is for example used when attaching a partition to a partitioned table which includes foreign keys, and in this case the constraint name has been missing in the data cloned. This could lead to hard crashes, as when validating the foreign key constraint, the constraint name is always expected. Particularly, when using log_min_messages >= DEBUG1, a log message would be generated with this unassigned constraint name, leading to an assertion failure on HEAD. While on it, rename a variable in ATExecAttachPartition which was declared twice with the same name. Author: Michael Paquier Reviewed-by: Álvaro Herrera Discussion: https://postgr.es/m/20181005042236.GG1629@paquier.xyz Backpatch-through: 11
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/.