class CreateActionMailboxTables < ActiveRecord::Migration[6.0]
  def change
    create_table :action_mailbox_inbound_emails, id: primary_key_type do |t|
      t.integer :status, default: 0, null: false
      t.string  :message_id, null: false
      t.string  :message_checksum, null: false

      t.timestamps

      t.index [ :message_id, :message_checksum ], name: "index_action_mailbox_inbound_emails_uniqueness", unique: true
    end
  end

  private
    def primary_key_type
      config = Rails.configuration.generators
      config.options[config.orm][:primary_key_type] || :primary_key
    end
end