Minero Aoki

Sorry for late response. This pull request seems good except noted points.

Yes, I met exactly same trouble. That seems ActiveRecord's own feature (or bug). Did you set PRIMARY KEY restriction on the id column? If not, ActiveRecord sets nil for that...

Mysterious. In my situation, I just forgot PRIMARY KEY. I have tried your code, but I got id successfully... Hmmm. SQL ``` => CREATE TABLE tests (id INT IDENTITY(1,1) not...

Error message from ActiveRecord: ``` ActiveRecord::StatementInvalid: PG::Error: ERROR: SQL command "SAVEPOINT active_record_1" not supported. : SAVEPOINT active_record_1 ``` It seems that ActiveRecord utilize nested save points, we cannot avoid SAVEPOINT......

うわあ、すみません見落としてました……これです http://www.slideshare.net/mineroaoki/20140420-oedo-ruby-conference-04-rubysql