postgresql - Rails: what is the best way to model this has_and_belongs_to_many association -

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postgresql - Rails: what is the best way to model this has_and_belongs_to_many association -

let's have 2 models event , person.

many people attend event , person can attend many events too.

class event < activerecord::base has_and_belongs_to_many :people end class person < activerecord::base has_and_belongs_to_many :events end create_table "events_people", :id => false, :force => true |t| t.integer "event_id" t.integer "person_id" end

the problem event presented 1 or many speakers. particular event, should have people attend event , 1 or many speakers are, of course, people too.

how do ? give thanks you.

try this:

class event < activerecord::base has_and_belongs_to_many :people has_and_belongs_to_many :speakers, :class_name => "person" end

and have events_speakers bring together table match event_id , person_id (which point ids in people table).

ruby-on-rails postgresql activerecord

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