diff options
Diffstat (limited to 'db/migrate/20140301210808_add_index_to_users_email.rb')
| -rw-r--r-- | db/migrate/20140301210808_add_index_to_users_email.rb | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/db/migrate/20140301210808_add_index_to_users_email.rb b/db/migrate/20140301210808_add_index_to_users_email.rb new file mode 100644 index 0000000..934d23b --- /dev/null +++ b/db/migrate/20140301210808_add_index_to_users_email.rb @@ -0,0 +1,8 @@ +class AddIndexToUsersEmail < ActiveRecord::Migration + +# adding unique: true ensures there can be no duplicates + def change + add_index :users, :email, unique: true + end + +end |