Replace the transaction {|transaction|..} semantics with a new Exception ActiveRecord::Rollback. Closes #8030 [Koz]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@6754 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

2 files changed, 5 insertions, 8 deletions

diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index bb3c58067d..31b25e5979 100755
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -34,6 +34,8 @@ module ActiveRecord #:nodoc:
   end
   class ReadOnlyRecord < StandardError #:nodoc:
   end
+  class Rollback < StandardError #:nodoc:
+  end
   
   class AttributeAssignmentError < ActiveRecordError #:nodoc:
     attr_reader :exception, :attribute
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb
index 1b75ab53fe..bc59f064aa 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb
@@ -56,14 +56,14 @@ module ActiveRecord
               begin_db_transaction 
               transaction_open = true
             end
-            yield self
-          end
+            yield
+        end
         rescue Exception => database_transaction_rollback
           if transaction_open
             transaction_open = false
             rollback_db_transaction
           end
-          raise
+          raise unless database_transaction_rollback.is_a? ActiveRecord::Rollback
         end
       ensure
         commit_db_transaction if transaction_open
@@ -79,11 +79,6 @@ module ActiveRecord
       # done if the transaction block raises an exception or returns false.
       def rollback_db_transaction() end
 
-      # Alias for rollback_db_transaction to be used when yielding the transaction
-      def rollback!
-        rollback_db_transaction
-      end
-
       # Alias for #add_limit_offset!.
       def add_limit!(sql, options)
         add_limit_offset!(sql, options) if options