class Create<%= table_name.camelize %> < ActiveRecord::Migration<%= migration_version %>
  def self.up
    create_table :<%= table_name %> do |t|
      t.string :var, null: false
      t.text :value, null: true

      t.timestamps
    end

    add_index :<%= table_name %>, :var, unique: true
  end

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