From d3038eee925001fdb012670681f5564dd61010bf Mon Sep 17 00:00:00 2001
From: Jean-Philippe Lang <jp_lang@yahoo.fr>
Date: Sat, 14 Feb 2009 19:06:44 +0000
Subject: [PATCH] Adds an index on watchers table to speed up watched issue
 filtering.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2466 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 .../20090214190337_add_watchers_user_id_type_index.rb    | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 db/migrate/20090214190337_add_watchers_user_id_type_index.rb

diff --git a/db/migrate/20090214190337_add_watchers_user_id_type_index.rb b/db/migrate/20090214190337_add_watchers_user_id_type_index.rb
new file mode 100644
index 000000000..7ff4e542c
--- /dev/null
+++ b/db/migrate/20090214190337_add_watchers_user_id_type_index.rb
@@ -0,0 +1,9 @@
+class AddWatchersUserIdTypeIndex < ActiveRecord::Migration
+  def self.up
+    add_index :watchers, [:user_id, :watchable_type], :name => :watchers_user_id_type
+  end
+
+  def self.down
+    remove_index :watchers, :name => :watchers_user_id_type
+  end
+end