From acd5395877c8f322e7f7c43edc8407585c2c8dff Mon Sep 17 00:00:00 2001 From: Ryan Bigg Date: Tue, 1 Sep 2009 17:13:28 +1000 Subject: [PATCH] Document IrreversibleMigration. --- activerecord/lib/active_record/migration.rb | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb index adb3a3f75e..c2bc26f33e 100644 --- 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: