lib/generators/reputation_system/templates/change_reputation_messages_index_to_unique.rb
##
# Copyright 2012 Twitter, Inc
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
##
class ChangeReputationMessagesIndexToUnique < ActiveRecord::Migration
def self.up
remove_index :rs_reputation_messages, :name => "index_rs_reputation_messages_on_receiver_id_and_sender"
add_index :rs_reputation_messages, [:receiver_id, :sender_id, :sender_type], :name => "index_rs_reputation_messages_on_receiver_id_and_sender", :unique => true
end
def self.down
remove_index :rs_reputation_messages, :name => "index_rs_reputation_messages_on_receiver_id_and_sender"
add_index :rs_reputation_messages, [:receiver_id, :sender_id, :sender_type], :name => "index_rs_reputation_messages_on_receiver_id_and_sender"
end
end