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Clarify exclusion of ignored attributes in changeset.

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Andy Stewart 2011-07-14 10:22:30 +01:00
parent 6367d34369
commit 25fbd8a29d
1 changed files with 1 additions and 1 deletions
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@ -455,7 +455,7 @@ Remember to add those extra columns to your `versions` table ;)
There are two scenarios: diffing adjacent versions and diffing non-adjacent versions.
The best way to diff adjacent versions is to get PaperTrail to do it for you. If you add an `object_changes` text column to your `versions` table, either at installation time with the `--with-changes` option or manually, PaperTrail will store the `changes` diff in each `update` version. You can use the `version.changeset` method to retrieve it. For example:
The best way to diff adjacent versions is to get PaperTrail to do it for you. If you add an `object_changes` text column to your `versions` table, either at installation time with the `--with-changes` option or manually, PaperTrail will store the `changes` diff (excluding any attributes PaperTrail is ignoring) in each `update` version. You can use the `version.changeset` method to retrieve it. For example:
>> widget = Widget.create :name => 'Bob'
>> widget.versions.last.changeset # nil