rsim/oracle-enhanced — pull request #172 by yahonda (2012-06-04 21:24:15+00:00)
Title: Support Refactored remove_column with Oracle

This pull request supports refactored remove_column with *column_names.

These two tests have passed with rails master branch.

```ruby

$ ARCONN=oracle ruby -Itest test/cases/migration/change_table_test.rb -n test_remove_drops_single_column
Using oracle
Run options: -n test_remove_drops_single_column --seed 28113

# Running tests:

.

Finished tests in 0.005634s, 177.4953 tests/s, 177.4953 assertions/s.

1 tests, 1 assertions, 0 failures, 0 errors, 0 skips

$ ARCONN=oracle ruby -Itest test/cases/migration/change_table_test.rb -n test_remove_drops_multiple_columns
Using oracle
Run options: -n test_remove_drops_multiple_columns --seed 28153

# Running tests:

.

Finished tests in 0.005418s, 184.5673 tests/s, 184.5673 assertions/s.

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