class CreateStreams < ActiveRecord::Migration
  def self.up
    create_table :streams do |t|
      t.string :stream_type
      t.datetime :started_at
      t.integer :actor_id
      t.string :actor_type
      t.integer :subject_id
      t.string :subject_type
      t.integer :receiver_id
      t.string :receiver_type
    end
  end

  def self.down
    drop_table :streams
  end
end