Added preliminary support for an agile database migration technique (currently only for MySQL)

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@818 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

2 files changed, 21 insertions, 0 deletions

diff --git a/activerecord/test/fixtures/migrations/1_people_have_last_names.rb b/activerecord/test/fixtures/migrations/1_people_have_last_names.rb
new file mode 100644
index 0000000000..009729b330
--- /dev/null
+++ b/activerecord/test/fixtures/migrations/1_people_have_last_names.rb
@@ -0,0 +1,9 @@
+class PeopleHaveLastNames < ActiveRecord::Migration
+  def self.up
+    add_column "people", "last_name", :string
+  end
+  
+  def self.down
+    remove_column "people", "last_name"
+  end
+end
\ No newline at end of file
diff --git a/activerecord/test/fixtures/migrations/2_we_need_reminders.rb b/activerecord/test/fixtures/migrations/2_we_need_reminders.rb
new file mode 100644
index 0000000000..ac5918f02a
--- /dev/null
+++ b/activerecord/test/fixtures/migrations/2_we_need_reminders.rb
@@ -0,0 +1,12 @@
+class WeNeedReminders < ActiveRecord::Migration
+  def self.up
+    create_table("reminders") do |t|
+      t.column :content, :text
+      t.column :remind_at, :datetime
+    end
+  end
+  
+  def self.down
+    drop_table "reminders"
+  end
+end
\ No newline at end of file