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author | Bryan Woods <bryanwoods4e@gmail.com> | 2010-06-16 15:53:20 -0400 |
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committer | Bryan Woods <bryanwoods4e@gmail.com> | 2010-06-16 15:53:20 -0400 |
commit | 5861fde01fbe9446666b319dfc8d24514aafda21 (patch) | |
tree | 4c78ceda7ec49a54b1c2454217e85d36d1a937aa /activerecord/lib/active_record/transactions.rb | |
parent | c1ff781001af157c0d5ea5ac64e1fa17d47fe1f1 (diff) | |
parent | 35e3f72af29a33189a46a4b5ada84768b87e0ef2 (diff) | |
download | rails-5861fde01fbe9446666b319dfc8d24514aafda21.tar.gz rails-5861fde01fbe9446666b319dfc8d24514aafda21.tar.bz2 rails-5861fde01fbe9446666b319dfc8d24514aafda21.zip |
Merge remote branch 'origin/master'
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) |