Add more doc to #update_column.

2011-05-20 21:56:08 -03:00 · 2011-05-20 21:56:08 -03:00 · bf50935a5d
commit bf50935a5d
parent ad3e057e48
1 changed files with 2 additions and 0 deletions
--- a/activerecord/lib/active_record/persistence.rb
+++ b/activerecord/lib/active_record/persistence.rb
@ -133,6 +133,8 @@ def update_attribute(name, value)
    # * Callbacks are skipped.
    # * updated_at/updated_on column is not updated if that column is available.
    #
+    # Raises an +ActiveRecordError+ when called on new objects, or when the +name+
+    # attribute is marked as readonly.
    def update_column(name, value)
      name = name.to_s
      raise ActiveRecordError, "#{name} is marked as readonly" if self.class.readonly_attributes.include?(name)