array( 'downtimeevent_id' => 'dth.downtimehistory_id', 'downtimeevent_entry_time' => 'UNIX_TIMESTAMP(dth.entry_time)', 'downtimeevent_author_name' => 'dth.author_name', 'downtimeevent_comment_data' => 'dth.comment_data', 'downtimeevent_is_fixed' => 'dth.is_fixed', 'downtimeevent_scheduled_start_time' => 'UNIX_TIMESTAMP(dth.scheduled_start_time)', 'downtimeevent_scheduled_end_time' => 'UNIX_TIMESTAMP(dth.scheduled_end_time)', 'downtimeevent_was_started' => 'dth.was_started', 'downtimeevent_actual_start_time' => 'UNIX_TIMESTAMP(dth.actual_start_time)', 'downtimeevent_actual_end_time' => 'UNIX_TIMESTAMP(dth.actual_end_time)', 'downtimeevent_was_cancelled' => 'dth.was_cancelled', 'downtimeevent_is_in_effect' => 'dth.is_in_effect', 'downtimeevent_trigger_time' => 'UNIX_TIMESTAMP(dth.trigger_time)' ), 'object' => array( 'host_name' => 'o.name1', 'service_description' => 'o.name2' ) ); protected function joinBaseTables() { $this->select() ->from(array('dth' => $this->prefix . 'downtimehistory'), array()) ->join(array('o' => $this->prefix . 'objects'), 'dth.object_id = o.object_id', array()); $this->joinedVirtualTables['downtimeevent'] = true; $this->joinedVirtualTables['object'] = true; } }