class CreateCheckins < ActiveRecord::Migration[5.0]
  def self.up
    create_table :checkins do |t|
      t.integer :item_id, null: false
      t.integer :librarian_id
      t.integer :basket_id
      t.timestamps
    end
    add_index :checkins, :item_id
    add_index :checkins, :librarian_id
    add_index :checkins, :basket_id
  end

  def self.down
    drop_table :checkins
  end
end