bsw@1629: Snapshot = mondelefant.new_class()
bsw@1629: Snapshot.table = 'snapshot'
bsw@1629: Snapshot.primary_key = "id"
bsw@1629: 
bsw@1629: function Snapshot:latest_by_issue_id(issue_id)
bsw@1629:   return self:new_selector()
bsw@1629:     :add_where{ "issue_id = ?", issue_id }
bsw@1629:     :add_order_by("id DESC")
bsw@1629:     :limit(1)
bsw@1629:     :optional_object_mode()
bsw@1629:     :exec()
bsw@1629: end