Daniel John Debrunner wrote:
> Why string constants for derivation though, why not integer values?
> Also there's no constant for error, though I would not recommend having
> an error value. Why not just use none as the default value? That will
> lead to the same behaviour, no collation suppported. Adding an error
> state is something that is not in the SQL standard.
sorry misread error as explicit since I was expecting an explicit type
to be defined. Still, not sure why an "error" state is needed.
Dan.
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