rsim/oracle-enhanced — pull request #207 by yahonda (2012-08-02 21:09:13+00:00)
Title: Address test_integer_zero_to_integer_zero_not_marked_as_changed failure

This pull request addresses test_integer_zero_to_integer_zero_not_marked_as_changed failure.

See rails/rails#7237.

```ruby
$ ARCONN=oracle ruby -Itest test/cases/dirty_test.rb
Using oracle
Run options: --seed 5902

# Running tests:

........F.....................

Finished tests in 1.371788s, 21.8693 tests/s, 123.1969 assertions/s.

1) Failure:
test_integer_zero_to_integer_zero_not_marked_as_changed(DirtyTest) [test/cases/dirty_test.rb:225]:
Failed assertion, no message given.

30 tests, 169 assertions, 1 failures, 0 errors, 0 skips
$
```