Fixes #11339 - ensure unique parameters before adding uniq index

theforeman · Aug 13, 2015 · aabf3c2 · aabf3c2
1 parent 3bd9a89
commit aabf3c2
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/db/migrate/20140805114754_add_unique_index_to_parameter.rb b/db/migrate/20140805114754_add_unique_index_to_parameter.rb
@@ -1,5 +1,15 @@
 class AddUniqueIndexToParameter < ActiveRecord::Migration
   def up
+    found = []
+    Parameter.find_each do |param|
+      new_param = {:name => param.name, :type => param.type, :reference_id => param.reference_id}
+      if found.include?(new_param)
+        param.destroy
+      else
+        found << new_param
+      end
+    end
+
     add_index :parameters, [:type, :reference_id, :name], :unique => true
   end