diff options
-rw-r--r-- | activerecord/CHANGELOG | 7 | ||||
-rw-r--r-- | activerecord/lib/active_record/associations/association_collection.rb | 2 | ||||
-rwxr-xr-x | activerecord/lib/active_record/base.rb | 5 | ||||
-rw-r--r-- | activerecord/lib/active_record/relation.rb | 11 |
4 files changed, 23 insertions, 2 deletions
diff --git a/activerecord/CHANGELOG b/activerecord/CHANGELOG index 3f4d77979b..2f0bdb6582 100644 --- a/activerecord/CHANGELOG +++ b/activerecord/CHANGELOG @@ -1,5 +1,12 @@ *Edge* +* Add .lock finder method [Pratik Naik] + + User.lock.where(:name => 'lifo').to_a + + old_items = Item.where("age > 100") + old_items.locked.each {|i| .. } + * Add Model.from and association_collection#from finder methods [Pratik Naik] user = User.scoped diff --git a/activerecord/lib/active_record/associations/association_collection.rb b/activerecord/lib/active_record/associations/association_collection.rb index d2c61cdc78..b3a69ab0c0 100644 --- a/activerecord/lib/active_record/associations/association_collection.rb +++ b/activerecord/lib/active_record/associations/association_collection.rb @@ -21,7 +21,7 @@ module ActiveRecord construct_sql end - delegate :group, :order, :limit, :joins, :where, :preload, :eager_load, :from, :to => :scoped + delegate :group, :order, :limit, :joins, :where, :preload, :eager_load, :from, :lock, :to => :scoped def select(select = nil, &block) if block_given? diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb index 3b880ce17f..a887b0c571 100755 --- a/activerecord/lib/active_record/base.rb +++ b/activerecord/lib/active_record/base.rb @@ -652,7 +652,7 @@ module ActiveRecord #:nodoc: end end - delegate :select, :group, :order, :limit, :joins, :where, :preload, :eager_load, :from, :to => :scoped + delegate :select, :group, :order, :limit, :joins, :where, :preload, :eager_load, :from, :lock, :to => :scoped # A convenience wrapper for <tt>find(:first, *args)</tt>. You can pass in all the # same arguments to this method as you can to <tt>find(:first)</tt>. @@ -1573,6 +1573,9 @@ module ActiveRecord #:nodoc: offset(construct_offset(options[:offset], scope)). from(options[:from]) + lock = (scope && scope[:lock]) || options[:lock] + relation = relation.lock if lock.present? + relation = relation.readonly if options[:readonly] relation diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb index 530402bf5d..a7f62abe1d 100644 --- a/activerecord/lib/active_record/relation.rb +++ b/activerecord/lib/active_record/relation.rb @@ -55,6 +55,17 @@ module ActiveRecord orders.present? ? create_new_relation(@relation.order(orders)) : create_new_relation end + def lock(locks = true) + case locks + when String + create_new_relation(@relation.lock(locks)) + when TrueClass, NilClass + create_new_relation(@relation.lock) + else + create_new_relation + end + end + def reverse_order relation = create_new_relation relation.instance_variable_set(:@orders, nil) |