diff options
Diffstat (limited to 'activerecord/lib/active_record/core.rb')
| -rw-r--r-- | activerecord/lib/active_record/core.rb | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/activerecord/lib/active_record/core.rb b/activerecord/lib/active_record/core.rb index ed555e4bf6..b2ed606e5f 100644 --- a/activerecord/lib/active_record/core.rb +++ b/activerecord/lib/active_record/core.rb @@ -127,10 +127,16 @@ module ActiveRecord object.is_a?(self) end + # Returns an instance of <tt>Arel::Table</tt> loaded with the curent table name. + # + # class Post < ActiveRecord::Base + # scope :published_and_commented, published.and(self.arel_table[:comments_count].gt(0)) + # end def arel_table @arel_table ||= Arel::Table.new(table_name, arel_engine) end + # Returns the Arel engine. def arel_engine @arel_engine ||= connection_handler.retrieve_connection_pool(self) ? self : active_record_super.arel_engine end @@ -204,7 +210,7 @@ module ActiveRecord self end - + ## # :method: clone # Identical to Ruby's clone method. This is a "shallow" copy. Be warned that your attributes are not copied. @@ -219,9 +225,9 @@ module ActiveRecord # # user.object_id == new_user.object_id # => false # user.name.object_id == new_user.name.object_id # => true - # + # # user.name.object_id == user.dup.name.object_id # => false - + ## # :method: dup # Duped objects have no id assigned and are treated as new records. Note @@ -230,7 +236,7 @@ module ActiveRecord # specific and is therefore left to the application to implement according # to its need. # The dup method does not preserve the timestamps (created|updated)_(at|on). - + ## def initialize_dup(other) # :nodoc: cloned_attributes = other.clone_attributes(:read_attribute_before_type_cast) |