Created
April 14, 2015 10:12
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| begin | |
| class CreateModels < ActiveRecord::Migration | |
| def change | |
| create_table :items do |t| | |
| end | |
| create_table :events do |t| | |
| t.belongs_to :item | |
| end | |
| create_table :event_people do |t| | |
| t.belongs_to :event | |
| t.belongs_to :person | |
| end | |
| create_table :people do |t| | |
| end | |
| end | |
| end | |
| class Item < ActiveRecord::Base | |
| has_many :events | |
| has_many :event_people, :through => :events | |
| has_many :people, :through => :events | |
| end | |
| class Event < ActiveRecord::Base | |
| belongs_to :item | |
| has_many :event_people | |
| has_many :people, :through => :event_people | |
| end | |
| class EventPerson < ActiveRecord::Base | |
| belongs_to :event | |
| belongs_to :person | |
| end | |
| class Person < ActiveRecord::Base | |
| end | |
| CreateModels.new.change | |
| puts "Populating Database" | |
| 1000.times do | |
| Item.create | |
| end | |
| Item.all.each_with_index do |item| | |
| event = Event.new | |
| event.people.build | |
| event.people.build | |
| item.events << event | |
| end | |
| rescue => e | |
| # Tables already exist | |
| # puts e.message | |
| end | |
| # ::RubyProf.start | |
| StackProf.run(mode: :cpu, out: "./stackprof-cpu-prelading-4.2-#{Time.now.strftime('%F-%H-%M-%S')}.dump") do | |
| Item.preload(:people).limit(1000).order(:id).to_a | |
| end |
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