Mapping of TAP_SCHEMA.columns.principal to SCS VERB

[Walter Landry]

Marco Molinaro <molinaro at oats.inaf.it> wrote:
> So, there's no intention, I think, to make it map VERB or trying to set
> up a set of levels of principal, it's simply a flag to declare a column as
> a special one among others.

In that case, is it good to have 3 levels in SCS?  It seems odd to
have extra control available in SCS that is not in TAP.

Thanks,
Walter Landry