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There is little point in using the LWLockRegisterTranche mechanism for built-in tranche names. It wastes cycles, it creates opportunities for bugs (since failing to register a tranche name is a very hard-to-detect problem), and the lack of any centralized list of names encourages sloppy nonconformity in name choices. Moreover, since we have a centralized list of the tranches anyway in enum BuiltinTrancheIds, we're certainly not buying any flexibility in return for these disadvantages. Hence, nuke all the backend-internal LWLockRegisterTranche calls, and instead provide a const array of the builtin tranche names. (I have in mind to change a bunch of these names shortly, but this patch is just about getting them into one place.) Discussion: https://postgr.es/m/9056.1589419765@sss.pgh.pa.us
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/.