rails/rails — pull request #5658 by yahonda (2012-03-29 17:15:12+00:00)
Title: Address an error for test_has_many_through_polymorphic_has_one with Oracle

This pull request address the issue #5636 to the 3-1-stable branch.

#5640 has been merged to the 3-2-stable branch.
Opened #5655 for the 3-0-stable branch.