many_through_many.rb in sequel-3.47.0

- old
+ new

@@ -188,11 +188,11 @@
           left_keys = Array(left_key)
           left_pk = (opts[:left_primary_key] ||= self.primary_key)
           opts[:eager_loader_key] = left_pk unless opts.has_key?(:eager_loader_key)
           left_pks = opts[:left_primary_keys] = Array(left_pk)
           lpkc = opts[:left_primary_key_column] ||= left_pk
-          lpkcs = opts[:left_primary_key_columns] ||= Array(lpkc)
+          opts[:left_primary_key_columns] ||= Array(lpkc)
           opts[:dataset] ||= lambda do
             ds = opts.associated_dataset
             opts.reverse_edges.each{|t| ds = ds.join(t[:table], Array(t[:left]).zip(Array(t[:right])), :table_alias=>t[:alias], :qualify=>:deep)}
             ft = opts.final_reverse_edge
             ds.join(ft[:table],  Array(ft[:left]).zip(Array(ft[:right])) + opts.predicate_keys.zip(left_pks.map{|k| send(k)}), :table_alias=>ft[:alias], :qualify=>:deep)
@@ -265,10 +265,9 @@
           lpks = ref[:left_primary_key_columns]
           lpks = lpks.first if lpks.length == 1
           lpks = ref.qualify(model.table_name, lpks)
           edges = ref.edges
           first, rest = edges.first, edges[1..-1]
-          last = edges.last
           ds = model.db[first[:table]].select(*Array(ref.qualify(first[:table], first[:right])))
           rest.each{|e| ds = ds.join(e[:table], e.fetch(:only_conditions, (Array(e[:right]).zip(Array(e[:left])) + e[:conditions])), :table_alias=>ds.unused_table_alias(e[:table]), :qualify=>:deep, &e[:block])}
           last_alias = if rest.empty?
             first[:table]
           else