redmine/db/migrate/20090214190337_add_watchers_user_id_type_index.rb
Jean-Philippe Lang d3038eee92 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
2009-02-14 19:06:44 +00:00

10 行
252 B
Ruby

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