class CreateMateriels < ActiveRecord::Migration[6.0]
  def change
    create_table :materiels do |t|
      t.string :sn, null: false
      t.string :name, null: false

      t.timestamps
    end

    create_table :materiel_items do |t|
      t.references :materiel, null: false
      t.string :sn, null: false
      t.string :name, null: false

      t.timestamps
    end

    add_index :materiels, :sn, unique: true
  end
end