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author | Tobias Lütke <tobias.luetke@gmail.com> | 2007-11-29 22:25:42 +0000 |
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committer | Tobias Lütke <tobias.luetke@gmail.com> | 2007-11-29 22:25:42 +0000 |
commit | a25b2e116caa0378807f5681355c63f6aa219190 (patch) | |
tree | f8db3cf457267d8268944c44f8328df444f50066 /activerecord | |
parent | 1d32cec17d768ac78d52903f5ed8b19cc37c7f78 (diff) | |
download | rails-a25b2e116caa0378807f5681355c63f6aa219190.tar.gz rails-a25b2e116caa0378807f5681355c63f6aa219190.tar.bz2 rails-a25b2e116caa0378807f5681355c63f6aa219190.zip |
Removed documentation for the removed rollback! method on transactions and mention ActiveRecord::Rollback [cody]
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8240 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
Diffstat (limited to 'activerecord')
-rw-r--r-- | activerecord/lib/active_record/transactions.rb | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/activerecord/lib/active_record/transactions.rb b/activerecord/lib/active_record/transactions.rb index 61f5d819fc..45a6418492 100644 --- a/activerecord/lib/active_record/transactions.rb +++ b/activerecord/lib/active_record/transactions.rb @@ -30,17 +30,6 @@ module ActiveRecord # Exceptions will force a ROLLBACK that returns the database to the state before the transaction was begun. Be aware, though, # that the objects by default will _not_ have their instance data returned to their pre-transactional state. # - # == Rolling back a transaction manually - # - # Instead of relying on exceptions to rollback your transactions, you can also do so manually from within the scope - # of the transaction by accepting a yield parameter and calling rollback! on it. Example: - # - # transaction do |transaction| - # david.withdrawal(100) - # mary.deposit(100) - # transaction.rollback! # rolls back the transaction that was otherwise going to be successful - # end - # # == Different ActiveRecord classes in a single transaction # # Though the transaction class method is called on some ActiveRecord class, @@ -80,7 +69,8 @@ module ActiveRecord # == Exception handling # # Also have in mind that exceptions thrown within a transaction block will be propagated (after triggering the ROLLBACK), so you - # should be ready to catch those in your application code. + # should be ready to catch those in your application code. One exception is the ActiveRecord::Rollback exception, which will + # trigger a ROLLBACK when raised, but not be re-raised by the transaction block. module ClassMethods def transaction(&block) previous_handler = trap('TERM') { raise TransactionError, "Transaction aborted" } |