Re: documentation updates for SQL:2023

On 01.03.23 10:12, Peter Eisentraut wrote:
> SQL:2023 should be published within the next 2 months, so I want to 
> update our SQL conformance information for our PostgreSQL release later 
> this year.
> 
> Attached are patches that update the keywords list and the features list 
> as usual.  (Some of the new features in the JSON area are still being 
> worked on.  I have just set them all to NO for now, to be revisited later.)

I have committed these patches.

> I'm also proposing to get rid of the tracking of subfeatures.  This has 
> been de-facto deprecated: All the subfeatures for optional features have 
> been removed (replaced by top-level feature codes), and the subfeatures 
> for mandatory features aren't very interesting.  The TODO is to remove 
> the columns for the subfeatures in src/backend/catalog/sql_features.txt. 
>   That is a mechanical change that I did not include in the patch.

I have dropped this for now.  This got a little bit more complicated 
than I had hoped, since the sql_features.txt file is also loaded into 
the information schema in initdb, and I didn't want to reorganize that 
right now.  Something to revisit some other time, perhaps.