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8e1f37c07a
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