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| author | Marcel Molina <marcel@vernix.org> | 2007-11-06 19:04:54 +0000 |
|---|---|---|
| committer | Marcel Molina <marcel@vernix.org> | 2007-11-06 19:04:54 +0000 |
| commit | 4f59aacb6854885230801a7b694ea592677c3e3d (patch) | |
| tree | c4b6aead803194c7eb0a0ac47e9edf409ac414a5 /activerecord/lib/active_record/transactions.rb | |
| parent | 341afb6a81a569ae91bdf8c9e3982806423c7a67 (diff) | |
| download | rails-4f59aacb6854885230801a7b694ea592677c3e3d.tar.gz rails-4f59aacb6854885230801a7b694ea592677c3e3d.tar.bz2 rails-4f59aacb6854885230801a7b694ea592677c3e3d.zip | |
Explain semantics of having several different AR instances in a transaction block. Closes #9036 [jacobat, Marcel Molina]
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8096 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
Diffstat (limited to 'activerecord/lib/active_record/transactions.rb')
| -rw-r--r-- | activerecord/lib/active_record/transactions.rb | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/transactions.rb b/activerecord/lib/active_record/transactions.rb index 534f179339..205d8c5e24 100644 --- a/activerecord/lib/active_record/transactions.rb +++ b/activerecord/lib/active_record/transactions.rb @@ -41,6 +41,19 @@ module ActiveRecord # 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, + # the objects within the transaction block need not all be instances of + # that class. + # In this example a <tt>Balance</tt> record is transactionally saved even + # though <tt>transaction</tt> is called on the <tt>Account</tt> class: + # + # Account.transaction do + # balance.save + # account.save + # end + # # == Transactions are not distributed across database connections # # A transaction acts on a single database connection. If you have |