Changeset 8039

Timestamp:

10/26/07 21:11:07 (2 years ago)

Author:

david

Message:

Added db:rollback to rollback the schema one version (or multiple as specified by STEP) [Jeffrey Allan Hardy]

Files:

• trunk/railties/CHANGELOG (modified) (1 diff)
• trunk/railties/lib/tasks/databases.rake (modified) (1 diff)

trunk/railties/CHANGELOG

@@ -1 +1 @@
-*SVN*
+
+* Added db:rollback to rollback the schema one version (or multiple as specified by STEP) [Jeffrey Allan Hardy]
-
-* Fix typo in test_helper. Closes #9925 [viktor tron]

trunk/railties/lib/tasks/databases.rake

@@ -85 +85 @@
-    ActiveRecord::Migrator.migrate("db/migrate/", ENV["VERSION"] ? ENV["VERSION"].to_i : nil)
-    Rake::Task["db:schema:dump"].invoke if ActiveRecord::Base.schema_format == :ruby
+  end
+
+  desc 'Rolls the schema back to the previous version. Specify the number of steps with STEP=n'
+  task :rollback => :environment do
+    step = ENV['STEP'] ? ENV['STEP'].to_i : 1
+    version = ActiveRecord::Migrator.current_version - step
+    ActiveRecord::Migrator.migrate('db/migrate/', version)
-  end
-