Teoman

<snip>
>Do you think it is a wise idea to implement two base structures, 

I *think* that they are essentially the same
have a flag
pCurrent as %Boolean and put a constraint on this

if a person can only have one role then sub class the single class
above and put a unique index in it

Denver said
"I suggest making PersonRole abstract since it appears that a query is
unlikely to span Roles."

possible but there is always (probably even if it's only system
maintenance) to see all the roles for a give person - so you would
need a span query


>, but the extra dessert goes to Peter :))
yum yum


Peter

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