railties/lib/rails_generator/generators/components/session_migration/templates/migration.rb


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class <%= class_name %> < ActiveRecord::Migration
  def self.up
    create_table :<%= session_table_name %> do |t|
      t.column :session_id, :string
      t.column :data, :text
      t.column :updated_at, :datetime
    end
    
    add_index :<%= session_table_name %>, :session_id
  end

  def self.down
    drop_table :<%= session_table_name %>
  end
end