On Monday, July 12, 2021, Tom Lane <t...@sss.pgh.pa.us> wrote: > Still, I'm with David that no new docs > are needed. IMO the former restriction was the surprising thing, and > the current behavior is simply what one would expect from assembling > those parts in that order. > > I agree the material in Extending SQL - SQL Functions, plus normal expectations, mean that we do indeed cover the topic sufficiently. The location and specifics of the material and use of cross-references could use some attention though its also not an area that gets too many questions so people are figuring this all out one way or another (or not finding a need and just don’t know what they are missing…)
It doesn’t really fit that well in a syntax chapter since the calling syntax is indeed the same. But the Queries Chapter is where I was looking this past time (I knew about and read the SQL Functions Chapter previously but didn’t get there is this skim). David J.
