Re: automatically generating node support functions - Mailing list pgsql-hackers

On 11.07.22 19:57, Tom Lane wrote:
> So at this point I'm rather attracted to the idea of reverting to
> a manually-maintained NodeTag enum.  We know how to avoid ABI
> breakage with that, and it's not exactly the most painful part
> of adding a new node type.

One of the nicer features is that you now get to see the numbers 
assigned to the enum tags, like

     T_LockingClause = 91,
     T_XmlSerialize = 92,
     T_PartitionElem = 93,

so that when you get an error like "unsupported node type: %d", you can 
just look up what it is.