diff options
Diffstat (limited to 'activerecord/lib/active_record/transactions.rb')
| -rw-r--r-- | activerecord/lib/active_record/transactions.rb | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/transactions.rb b/activerecord/lib/active_record/transactions.rb index 620758f5af..b4b146994d 100644 --- a/activerecord/lib/active_record/transactions.rb +++ b/activerecord/lib/active_record/transactions.rb @@ -11,7 +11,8 @@ module ActiveRecord included do define_callbacks :commit, :rollback, :terminator => "result == false", :scope => [:kind, :name] end - + # = Active Record Transactions + # # Transactions are protective blocks where SQL statements are only permanent # if they can all succeed as one atomic action. The classic example is a # transfer between two accounts where you can only have a deposit if the @@ -19,7 +20,8 @@ module ActiveRecord # the database and guard the data against program errors or database # break-downs. So basically you should use transaction blocks whenever you # have a number of statements that must be executed together or not at all. - # Example: + # + # For example: # # ActiveRecord::Base.transaction do # david.withdrawal(100) |