Revert "Don't carry default value when changing column for a binary type on MySQL"

Broke mysql tests.

This reverts commit edec1afe25014749f0e2df86d27477b45586a9e3.

Conflicts:

	activerecord/test/cases/migration_test.rb

[#3234 state:open]

1 files changed, 0 insertions, 12 deletions

diff --git a/activerecord/test/cases/migration_test.rb b/activerecord/test/cases/migration_test.rb
index 851daa69a5..692e4b207f 100644
--- a/activerecord/test/cases/migration_test.rb
+++ b/activerecord/test/cases/migration_test.rb
@@ -894,18 +894,6 @@ if ActiveRecord::Base.connection.supports_migrations?
       assert_equal "Tester", Person.new.first_name
     end
 
-    unless current_adapter?(:PostgreSQLAdapter)
-      def test_change_column_type_default_should_change
-        old_columns = Person.connection.columns(Person.table_name, "#{name} Columns")
-        assert !old_columns.find { |c| c.name == 'data' }
-
-        assert_nothing_raised do
-          Person.connection.add_column "people", "data", :string, :default => ''
-          Person.connection.change_column "people", "data", :binary
-        end
-      end
-    end
-
     def test_change_column_quotes_column_names
       Person.connection.create_table :testings do |t|
         t.column :select, :string