diff options
Diffstat (limited to 'activerecord/lib/active_record/migration/command_recorder.rb')
| -rw-r--r-- | activerecord/lib/active_record/migration/command_recorder.rb | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/migration/command_recorder.rb b/activerecord/lib/active_record/migration/command_recorder.rb index fc669d2e89..d7e481905a 100644 --- a/activerecord/lib/active_record/migration/command_recorder.rb +++ b/activerecord/lib/active_record/migration/command_recorder.rb @@ -1,7 +1,17 @@ module ActiveRecord class Migration # ActiveRecord::Migration::CommandRecorder records commands done during - # a migration and knows how to reverse those commands. + # a migration and knows how to reverse those commands. The CommandRecorder + # knows how to invert the following commands: + # + # * add_column + # * add_index + # * add_timestamp + # * create_table + # * remove_timestamps + # * rename_column + # * rename_index + # * rename_table class CommandRecorder attr_accessor :commands, :delegate |