lib/zermelo/associations/unique_index.rb in zermelo-1.1.0 vs lib/zermelo/associations/unique_index.rb in zermelo-1.2.0

@@ -1,19 +1,19 @@
 # NB index instances are all internal to zermelo, not user-accessible
 
+require 'zermelo/records/key'
+
 module Zermelo
   module Associations
     class UniqueIndex
 
       def initialize(parent_klass, name)
         @parent_klass   = parent_klass
         @attribute_name = name
 
         @backend   = parent_klass.send(:backend)
 
-        @indexers = {}
-
         parent_klass.send(:with_index_data, name.to_sym) do |data|
           @attribute_type = data.type
         end
       end
 
@@ -24,10 +24,11 @@
       def add_id(id, value)
         @backend.add(key, @backend.index_keys(@attribute_type, value).join(':') => id)
       end
 
       def move_id(id, value_from, indexer_to, value_to)
-        @backend.move(key, {@backend.index_keys(@attribute_type, value_to).join(':') => id}, indexer_to.key)
+        @backend.move(key, {@backend.index_keys(@attribute_type, value_from).join(':') => id},
+          indexer_to.key, {@backend.index_keys(@attribute_type, value_to).join(':') => id})
       end
 
       def key
         @indexer ||= Zermelo::Records::Key.new(
           :klass  => @parent_klass,
\ No newline at end of file