David Rowley <dgrowleyml@gmail.com> writes:
> I agree that it should be a separate patch. But thinking about what
> Tom mentioned in [1], I had in mind this patch would need to wait
> until the new standard is out so that we have a more genuine reason
> for breaking existing queries.
Well, we already broke them in v15: that example now gives
regression=# select 0x42e;
ERROR: trailing junk after numeric literal at or near "0x"
LINE 1: select 0x42e;
^
So there's probably no compatibility reason not to drop the
other shoe.
regards, tom lane