Re: Documentation about PL transforms

On 2022-02-22 12:59, Chapman Flack wrote:
> It would have been painful to write documentation of get_func_trftypes
> saying its result isn't what get_transform_{from.to}sql expect, so
> patch 1 does add a get_call_trftypes that returns a List *.
>
> Patch 2 then updates the docs as discussed in this thread. It turned
> out
> plhandler.sgml was kind of a long monolith of text even before adding
> transform information, so I broke it into sections first. This patch
> adds
> the section markup without reindenting, so the changes aren't obscured.
>
> The chapter had also fallen behind the introduction of procedures, so
> I have changed many instances of 'function' to the umbrella term
> 'routine'.
>
> Patch 3 simply reindents for the new section markup and rewraps.
> Whitespace only.
>
> Patch 4 updates src/test/modules/plsample to demonstrate handling of
> transforms (and to add some more comments generally).

Here is a rebase.