Restore query cache on rollback

1 files changed, 12 insertions, 1 deletions

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 12b16b2473..59cdd8e98c 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb
@@ -258,7 +258,18 @@ module ActiveRecord
 
       # Rolls back the transaction (and turns on auto-committing). Must be
       # done if the transaction block raises an exception or returns false.
-      def rollback_db_transaction() end
+      def rollback_db_transaction
+        exec_rollback_db_transaction
+      end
+
+      def exec_rollback_db_transaction() end #:nodoc:
+
+      def rollback_to_savepoint(name = nil)
+        exec_rollback_to_savepoint(name)
+      end
+
+      def exec_rollback_to_savepoint(name = nil) #:nodoc:
+      end
 
       def default_sequence_name(table, column)
         nil