bsw@211: DirectInterestSnapshot = mondelefant.new_class()
bsw@211: DirectInterestSnapshot.table = 'direct_interest_snapshot'
bsw@211: DirectInterestSnapshot.primary_key = { "issue_id", "event", "member_id" }
bsw@211: 
bsw@211: function DirectInterestSnapshot:by_pk(issue_id, event, member_id)
bsw@211:   return self:new_selector()
bsw@211:     :add_where{ "issue_id = ? AND event = ? AND member_id = ?", issue_id, event, member_id }
bsw@211:     :optional_object_mode()
bsw@211:     :exec()
bsw@211: end