X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/8c5638d6968be3286414f04b8dee2261ada84e76..d492628f3eb4f540438f9aab8b3c02e12b87d243:/app/models/changeset_tag.rb

diff --git a/app/models/changeset_tag.rb b/app/models/changeset_tag.rb
index 6298fbe77..0425fa6b4 100644
--- a/app/models/changeset_tag.rb
+++ b/app/models/changeset_tag.rb
@@ -1,5 +1,10 @@
 class ChangesetTag < ActiveRecord::Base
+  self.primary_keys = "changeset_id", "k"
 
-  belongs_to :changeset, :foreign_key => 'id'
+  belongs_to :changeset
 
+  validates_presence_of :changeset
+  validates_length_of :k, :maximum => 255, :allow_blank => true
+  validates_uniqueness_of :k, :scope => :changeset_id
+  validates_length_of :v, :maximum => 255, :allow_blank => true
 end