Railscasts - Tracking Attribute Changes
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Saved by 1 people (0 private), first by anonymouse user on 2008-05-31
- Caoweiyuan on 2008-05-31 - Tags rails , rails2 , video , activerecord
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# config/initializers/active_record_settings.rb
ActiveRecord::Base.partial_updates = true
# change tracking methods
p.changed?
p.changed
p.changes
p.name_changed?
p.name_was
p.name_change
p.name_will_change!
Highlighted by caoweiyuan
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