Document IrreversibleMigration.

2026-04-26 03:00:59 -04:00 · 2009-09-01 17:13:28 +10:00
parent bae00bb1cc
commit acd5395877
1 changed files with 2 additions and 1 deletions
--- a/activerecord/lib/active_record/migration.rb
+++ b/activerecord/lib/active_record/migration.rb
@@ -1,7 +1,8 @@
 require 'active_support/core_ext/object/metaclass'

 module ActiveRecord
-  class IrreversibleMigration < ActiveRecordError#:nodoc:
+  # Exception that can be raised to stop migrations from going backwards.
+  class IrreversibleMigration < ActiveRecordError
  end

  class DuplicateMigrationVersionError < ActiveRecordError#:nodoc: