You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: 001_create_agents.rb
    path of file: ./repos/enju_leaf/db/migrate
    
    the code of the file until where you have to start completion: class CreateAgents < ActiveRecord::Migration[4.2]
  def change
    create_table :agents do |t|
      t.string :last_name
      t.string :middle_name
      t.string :first_name
      t.string :last_name_transcription
      t.string :middle_name_transcription
      t.string :first_name_transcription
      t.string :corporate_name
      t.string :corporate_name_transcription
      t.string :full_name
      t.text :full_name_transcription
      t.text :full_name_alternative
      t.timestamps
      t.datetime :deleted_at
      t.string :zip_code_1
      t.string :zip_code_2
      t.text :address_1
      t.text :address_2
      t.text :address_1_note
      t.text :address_2_note
      t.string :telephone_number_1
      t.string :telephone_number_2
      t.string :fax_number_1
      t.string :fax_number_2
      t.text :other_designation
      t.text :place
      t.string :postal
    
  def change
    create_table :agents do |t|
      t.string :last_name
      t.string :middle_name
      t.string :first_name
      t.string :last_name_transcription
      t.string :middle_name_transcription
      t.string :first_name_transcription
      t.string :corporate_name
      t.string :corporate_name_transcription
      t.string :full_name
      t.text :full_name_transcription
      t.text :full_name_alternative
      t.timestamps
      t.datetime :deleted_at
      t.string :zip_code_1
      t.string :zip_code_2
      t.text :address_1
      t.text :address_2
      t.text :address_1_note
      t.text :address_2_note
      t.string :telephone_number_1
      t.string :telephone_number_2
      t.string :fax_number_1
      t.string :fax_number_2
      t.text :other_designation
      t.text :place
      t.string :postal_code
      t.text :street
      t.text :locality
      t.text :region
      t.datetime :date_of_birth
      t.datetime :date_of_death
      t.integer :language_id, default: 1, null: false
      t.integer :country_id, default: 1, null: false
      t.integer :agent_type_id, default: 1, null: false
      t.integer :lock_version, default: 0, null: false
      t.text :note
      t.integer :required_role_id, default: 1, null: false
      t.integer :required_score, default: 0, null: false
      t.text :email
      t.text :url
    end
    add_index :agents, :language_id
    add_index :agents, :country_id
    add_index :agents, :required_role_id
    add_index :agents, :full_name
  end