X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/8c5638d6968be3286414f04b8dee2261ada84e76..1721aa1c0dd7e5d3f1f87054cf63040e5d914671:/app/models/changeset_tag.rb

diff --git a/app/models/changeset_tag.rb b/app/models/changeset_tag.rb
index 6298fbe77..6a414a0fc 100644
--- a/app/models/changeset_tag.rb
+++ b/app/models/changeset_tag.rb
@@ -1,5 +1,8 @@
 class ChangesetTag < ActiveRecord::Base
-
   belongs_to :changeset, :foreign_key => 'id'
 
+  validates_presence_of :id
+  validates_length_of :k, :v, :maximum => 255, :allow_blank => true
+  validates_uniqueness_of :id, :scope => :k
+  validates_numericality_of :id, :only_integer => true
 end