diff options
| -rw-r--r-- | railties/guides/source/active_record_basics.textile | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/railties/guides/source/active_record_basics.textile b/railties/guides/source/active_record_basics.textile index 57477b44c5..e32898129f 100644 --- a/railties/guides/source/active_record_basics.textile +++ b/railties/guides/source/active_record_basics.textile @@ -60,8 +60,10 @@ Active Record uses naming conventions for the columns in database tables, depend There are also some optional column names that will create additional features to Active Record instances: -* *created_at / created_on* - ActiveRecord will store the current date and time to this field when creating the record. -* *updated_at / updated_on* - ActiveRecord will store the current date and times to this field when updating the record. +* *created_at* - Automatically gets set to the current date and time when the record is first created. +* *created_on* - Automatically gets set to the current date when the record is first created. +* *updated_at* - Automatically gets set to the current date and time whenever the record is updated. +* *updated_on* - Automatically gets set to the current date whenever the record is updated. * *lock_version* - Adds "optimistic locking":http://api.rubyonrails.com/classes/ActiveRecord/Locking.html to a model. * *type* - Specifies that the model uses "Single Table Inheritance":http://api.rubyonrails.com/classes/ActiveRecord/Base.html * *(table_name)_count* - Used to cache the number of belonging objects on associations. For example, a +comments_count+ column in a +Post+ class that has many instances of +Comment+ will cache the number of existent comments for each post. |