Specifying string fields length on Ruby on Rails

Question

I'm not able to generate string fields with a specified length in a migration. They are always created with 255 character-length.

Anyone knows?

Answer 1

I think you're looking for the :limit option:

class CreateUser < ActiveRecord::Migration
  def change
    create_table :users do |t|
      t.string :name, :limit => 10
    end
  end
end

Reference