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Upcoming changes to the hash table code used, among others, for grouping and set operations will change the output order for a few queries. To make it less likely that actual bugs are hidden between regression test ordering changes, and to make the tests robust against platform dependant ordering, add ORDER BYs guaranteeing the output order. As it's possible that some of the changes expose platform dependant ordering, push this earlier, to let the buildfarm shake out potentially unstable results. Discussion: <20160727004333.r3e2k2y6fvk2ntup@alap3.anarazel.de>
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/.