Redmine 3.4.4

db/migrate/066_add_custom_value_customized_index.rb

@@ -0,0 +1,9 @@
+class AddCustomValueCustomizedIndex < ActiveRecord::Migration
+  def self.up
+    add_index :custom_values, [:customized_type, :customized_id], :name => :custom_values_customized
+  end
+
+  def self.down
+    remove_index :custom_values, :name => :custom_values_customized
+  end
+end