Class: PopularMigration

Inherits:
ActiveRecord::Migration
  • Object
show all
Defined in:
lib/generators/popular/migration/templates/active_record/migration.rb

Instance Method Summary collapse

Instance Method Details

#down ⇒ Object 



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# File 'lib/generators/popular/migration/templates/active_record/migration.rb', line 15

def down
  drop_table :friendships
end

#up ⇒ Object 



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# File 'lib/generators/popular/migration/templates/active_record/migration.rb', line 2

def up
  create_table :friendships do |t|

    t.references :popular_model, polymorphic: true
    t.references :friend, polymorphic: true

    t.timestamps
  end

  add_index :friendships, [:popular_model_id, :popular_model_type]
  add_index :friendships, [:friend_id, :friend_type]
end