'FK representation'

@staticmethod
def delphi_group_represent(id, row=None):

    if (not row):
        db = current.db
        table = db.delphi_group
        row = db((table.id == id)).select(table.id, table.name, limitby=(0, 1)).first()
    elif (not id):
        return current.messages['NONE']
    try:
        return A(row.name, _href=URL(c='delphi', f='group', args=[row.id]))
    except:
        return current.messages.UNKNOWN_OPT
