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The event names use the same case-insensitive characters, hence applying lower() or upper() to the monitoring queries allows the detection of the same events as before this change. It is possible to cross-check the data with the system view pg_wait_events, for instance, with a query like that showing no differences: SELECT lower(type), lower(name), description FROM pg_wait_events ORDER BY 1, 2; This will help in the introduction of more simplifications in the format of wait_event_names. Some of the enum values in the code had to be renamed a bit to follow the same convention naming across the board. Reviewed-by: Bertrand Drouvot Discussion: https://postgr.es/m/ZOxVHQwEC/9X/p/z@paquier.xyz
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/.