cakephp habtm join问题

events (boxing, sparring etc)
competitors (users who are participating into diff events)
events_competitors (every competitor's selected events will go here)

schedules

competitors

competitors

events

$matchdivisions = $this->Competitor->find("all" , array(
                                                'conditions' => array('Competitor.status' => 1, 
                                                'Competitor.payment_completed' => 1,
                                                'Competitor.weightgroup_id' => $current_matchsc['Matchschedule']['weightgroup_id'],
                                                'Competitor.rank_id' => $current_matchsc['Matchschedule']['rank_id'],
                                                'Competitor.degree_id' => $current_matchsc['Matchschedule']['degree_id'],
                                                'Competitor.gender' => $current_matchsc['Matchschedule']['gender'],

                                                        ),

                                            'joins' => array(

                                                     array('table' => 'event_competitors',
                                                           'alias' => 'EventCompetitor',
                                                           'type' => 'left',
                                                           'conditions'=> array('EventCompetitor.event_id = '.$current_matchsc['Event']['id']),
                                                          ) 
                                                        )
                                )
);

EventCompetitor

Competitors

Events

join

EventsCompetitors

black

adults