Erik Wienhold <ewie@ewie.name> writes:
> On 2024-04-13 00:20 +0200, Tom Lane wrote:
>> I'm not here to defend plpgsql's factorization ;-). However, it
>> doesn't really have a parser of its own, at least not for expressions,
>> so I'm not sure how your suggestion could be made to work.
> Not a suggestion. Just a question about the general design, unrelated
> to this fix, in case you know the answer off the cuff. I see that
> 863a62064c already had the lexer handle those compound tokens, but
> unfortunately without an explanation on why. Never mind if that's too
> much to ask about a design descision made over 25 years ago.
Well, it was a design decision I wasn't involved in, so I dunno.
You could reach out to Jan on the slim chance he remembers.
regards, tom lane