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3d3218aa3d
Back-patch commits9afc648111andb8fbbcf37f. The first of these is really a minor code cleanup to save a few cycles, but it turns out to provide a workaround for the misoptimization problem described in bug #7516. The second commit adds a regression test case. Back-patch the fix to all active branches. The test case only works as far back as 9.0, because it relies on plpgsql which isn't installed by default before that. (I didn't have success modifying it into an all-plperl form that still provoked a crash, though this may just reflect my lack of Perl-fu.)
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/.