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e899742081
I noticed while trying to run the regression tests under a low geqo_threshold that one query on information_schema.columns had unstable (as in, variable from one run to the next) output order. This is pretty unsurprising given the complexity of the underlying plan. Interestingly, of this test's three nigh-identical queries on information_schema.columns, the other two already had ORDER BY clauses guaranteeing stable output. Let's make this one look the same. Back-patch to v10 where this test was added. We've not heard field reports of the test failing, but this experience shows that it can happen when testing under even slightly unusual conditions. |
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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/.