rsim/oracle-enhanced — pull request #136 by yahonda (2011-12-19 19:41:31+00:00)
Title: Add error handlings for the rename_table method.

While investigation with https://github.com/rails/rails/issues/3902 ,
I've found that Oracle-enhanced adapter's rename_table method ignores the error when rename sequence fails.

Error handling and these tests are added.