e
    key creator method must always return the same result for a given set of
    input parameters.
    <p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>secondary</CODE> - the database to which the secondary key will be added.
    This parameter is passed for informational purposes but is not commonly
    used.
    <p><DD><CODE>key</CODE> - the primary key entry.  This parameter must not be modified
    by this method.
    <p><DD><CODE>data</CODE> - the primary data entry.  This parameter must not be modif