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Per complaint from Tom. While at it, throw in some extra tests for nulls as well, and make sure that the set of data we insert on the second round is not identical to the first one. Both measures are intended to improve coverage of the test. Also uncomment the ON COMMIT DROP clause on the CREATE TEMP TABLE commands. This doesn't have any effect for someone examining the regression database after the tests are done, but it reduces clutter for those that execute the script directly.
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. 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/.