X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/bf29550db840c97cafffbe1e836750bef6c7942d..ce667bbbb16a562bc870e76955e3cd5dd8a77bac:/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