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

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
d3038eee · Jean-Philippe Lang · 1c2cdedf · d3038eee
Commit d3038eee authored Feb 14, 2009 by Jean-Philippe Lang
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20090214190337_add_watchers_user_id_type_index.rb db/migrate/20090214190337_add_watchers_user_id_type_index.rb +9 -0

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--- a/db/migrate/20090214190337_add_watchers_user_id_type_index.rb
+++ b/db/migrate/20090214190337_add_watchers_user_id_type_index.rb
+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