discourse/db/migrate/20120720013733_add_username_lower_to_users.rb
2017-07-28 10:20:09 +09:00

12 lines
386 B
Ruby

class AddUsernameLowerToUsers < ActiveRecord::Migration
def up
add_column :users, :username_lower, :string, limit: 20
execute "update users set username_lower = lower(username)"
add_index :users, [:username_lower], unique: true
change_column :users, :username_lower, :string, limit: 20, null: false
end
def down
remove_column :users, :username_lower
end
end