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Traditionally, the names of fmgroids.h macros for pg_proc OIDs have been constructed from the prosrc field. But sometimes the same C function underlies multiple pg_proc entries, forcing us to make an arbitrary choice of which OID to reference; the other entries are then not namable via fmgroids.h. Moreover, we could not have macros at all for pg_proc entries that aren't for C-coded functions. Instead, use the proname field, and append the proargtypes field (replacing inter-argument spaces with underscores) if proname is not unique. Special-casing unique entries such as F_OIDEQ removes the need to change a lot of code. Indeed, I can only find two places in the tree that need to be adjusted; while this changes quite a few existing entries in fmgroids.h, few of them are referenced from C code. With this patch, all entries in pg_proc.dat have macros in fmgroids.h. Discussion: https://postgr.es/m/472274.1604258384@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/.