X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/9a4ea6bfd09acd76533e29e1d4c22c6037909707..674123e055c4741c1e1ceabd0b74dff8d46f1adc:/app/models/node_tag.rb

diff --git a/app/models/node_tag.rb b/app/models/node_tag.rb
index de3d0629c..494260112 100644
--- a/app/models/node_tag.rb
+++ b/app/models/node_tag.rb
@@ -4,5 +4,7 @@ class NodeTag < ActiveRecord::Base
   belongs_to :node, :foreign_key => 'id'
   
   validates_presence_of :id
-  validates_length_of :k, :v, :within => 0..255, :allow_blank => true
+  validates_length_of :k, :v, :maximum => 255, :allow_blank => true
+  validates_uniqueness_of :id, :scope => :k
+  validates_numericality_of :id, :only_integer => true
 end