X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/7609c118843d66c37dd428a2a162a4e15289b6ce..619ac4c5b2fbdbc610007376ee11e3921e475520:/app/models/old_relation.rb

diff --git a/app/models/old_relation.rb b/app/models/old_relation.rb
index d0a03ac25..e948cae5e 100644
--- a/app/models/old_relation.rb
+++ b/app/models/old_relation.rb
@@ -31,7 +31,7 @@ class OldRelation < ApplicationRecord
   include Redactable
 
   belongs_to :changeset
-  belongs_to :redaction
+  belongs_to :redaction, :optional => true
   belongs_to :current_relation, :class_name => "Relation", :foreign_key => "relation_id"
 
   has_many :old_members, -> { order(:sequence_id) }, :class_name => "OldRelationMember", :foreign_key => [:relation_id, :version]
@@ -82,7 +82,7 @@ class OldRelation < ApplicationRecord
   end
 
   def tags
-    @tags ||= old_tags.collect { |t| [t.k, t.v] }.to_h
+    @tags ||= old_tags.to_h { |t| [t.k, t.v] }
   end
 
   attr_writer :members, :tags