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Use names like "RI_ConstraintTrigger_a_NNNN" for FK action triggers and "RI_ConstraintTrigger_c_NNNN" for FK check triggers. This ensures the action trigger fires first in self-referential cases where the very same row update fires both an action and a check trigger. This change provides a non-probabilistic solution for bug #6268, at the risk that it could break client code that is making assumptions about the exact names assigned to auto-generated FK triggers. Hence, change this in HEAD only. No need for forced initdb since old triggers continue to work fine.
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: http://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. Changes between all PostgreSQL releases are recorded in the file HISTORY. 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 http://www.postgresql.org/download/. For more information look at our web site located at http://www.postgresql.org/.