rails/rails — pull request #3533 by kennyj (2011-11-05 18:36:36+00:00)
Title: Barckport to 3-1-stable: fixed an issue id false option is ignored on mysql/mysql2 (fix #3440)

The abstract mysql adapter does not exist in 3-1-stable.
Please see https://github.com/rails/rails/pull/3525