Zoltan Boszormenyi <[EMAIL PROTECTED]> writes:
> "GENERATED BY DEFAULT AS ( expr )" is another
> way of saying "DEFAULT expr" but that being similar
> to GENERATED ALWAYS AS ( expr ) would make
> the users think that it would permit smarter expressions
> than simple DEFAULT would allow. My thought was
> to disallow this in the grammar.
I think you probably want a more specific error message than "syntax
error" for that, so the right thing to do is complain in code rather
than try to make the grammar per se not have a production that accepts it.
regards, tom lane
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