class CreateRuns < ActiveRecord::Migration[5.0] def change create_table :runs do |t| t.datetime :runDate, :null => false t.string :location, limit: 50 t.string :harvest_time, limit: 50 t.string :supplier, limit: 50 t.string :distributor, limit: 50 t.string :other, limit: 50 t.integer :machine_id t.timestamps end add_index :runs, :machine_id end end