On Sun, 24 Oct 2004, Tom Lane wrote:
> > (1) Accept the default's raw parsetree from the parser
> > (2) Convert it to a cooked parsetree via transformExpr()
> > (3) Add a coercion to the table's column type
>
> > Can't we save the cooked parsetree that we produced in #2?
>
> Not without an initdb (to have another column to put it in). And it
> would produce exactly the same result anyway, because the only way there
> could be implicit coercion steps at the top of the expression is because
> step 3 put them there.
Yes, and he suggested to not perform step 3. Instead one need to do that
when the default value is used.
--
/Dennis Björklund
