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Previously, the tests were structured so as all the queries whose plans are checked run first, followed by pattern checks using the full set of server logs. This can be problematic when extending the tests, as this increases query plan overlaps, where two tests finish by having similar plan outputs potentially invalidating the tests wanted. The tests are refactored so as log content matches are checked in isolation of each query run, by grabbing the position of the server logs before running each query whose plan is generated in the logs. This avoids issues when extending the tests, something that would become a larger problem with a follow-up patch that adds a new GUC in auto_explain to control the size of the each parameter logged. Author: Dagfinn Ilmari Mannsåker Discussion: https://postgr.es/m/87ee09mohb.fsf@wibble.ilmari.org |
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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/.