From f0a3397c47c557b80be516f4236a13afc7b7f65e Mon Sep 17 00:00:00 2001 From: David Heinemeier Hansson Date: Fri, 31 Dec 2004 16:53:41 +0000 Subject: Added :counter_cache option to acts_as_tree that works just like the one you can define on belongs_to #371 [Josh] git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@291 5ecf4fe2-1ee6-0310-87b1-e25e094e27de --- activerecord/lib/active_record/acts/tree.rb | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'activerecord/lib/active_record/acts/tree.rb') diff --git a/activerecord/lib/active_record/acts/tree.rb b/activerecord/lib/active_record/acts/tree.rb index c01b6f7ab7..61163941d3 100644 --- a/activerecord/lib/active_record/acts/tree.rb +++ b/activerecord/lib/active_record/acts/tree.rb @@ -31,11 +31,12 @@ module ActiveRecord # # * foreign_key - specifies the column name to use for track of the tree (default: parent_id) # * order - makes it possible to sort the children according to this SQL snippet. + # * counter_cache - keeps a count in a children_count column if set to true (default: false). def acts_as_tree(options = {}) - configuration = { :foreign_key => "parent_id", :order => nil } + configuration = { :foreign_key => "parent_id", :order => nil, :counter_cache => nil } configuration.update(options) if options.is_a?(Hash) - belongs_to :parent, :class_name => name, :foreign_key => configuration[:foreign_key] + belongs_to :parent, :class_name => name, :foreign_key => configuration[:foreign_key], :counter_cache => configuration[:counter_cache] has_many :children, :class_name => name, :foreign_key => configuration[:foreign_key], :order => configuration[:order], :dependent => true end end -- cgit v1.2.3