>
> > I am confused. As I can tell, these are coming in as null_expr - 1.
>
> What is "null_expr - 1"? I think that is the same thing; a node with a
> subtraction operator and the left side set to null and the right side
> set to a constant node. That's what I meant by the unary minus on a
> constant.
>
> > Why can't we do a check in gram.y,...
>
> Well we maybe can, but it sure is ugly. This will be spread around a
> bunch of places (everywhere there is a unary minus allowed). I already
> did the wrong thing and brute-forced something similar into the CREATE
> SEQUENCE code in gram.y. Isolating it in transform_expr() or somewhere
> like that would be much cleaner.
>
But isn't it is just one line in gram.y. That is where I was seeing it
happen.
--
Bruce Momjian | 830 Blythe Avenue
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