Extend changes.path and changes.from_path to support longer paths. #5771

Long paths to SCM files would be truncated or wouldn't insert into some
databases.  This extends those fields to support arbitrary length filenames.

Contributed by Holger Just

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3828 e93f8b46-1217-0410-a6f0-8f06a7374b81

db/migrate/20100705164950_change_changes_path_length_limit.rb

@@ -0,0 +1,11 @@
+class ChangeChangesPathLengthLimit < ActiveRecord::Migration
+  def self.up
+    change_column :changes, :path, :text, :default => "", :null => false
+    change_column :changes, :from_path, :text
+  end
+
+  def self.down
+    change_column :changes, :path, :string, :default => "", :null => false
+    change_column :changes, :from_path, :string
+  end
+end