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author | Joshua Peek <josh@joshpeek.com> | 2011-03-30 21:04:33 -0500 |
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committer | Joshua Peek <josh@joshpeek.com> | 2011-03-30 21:04:33 -0500 |
commit | 56a5da89dbcdd6d73f26f5c1be6221b684574b2b (patch) | |
tree | 577fbc16d37ed54bbda1a2a7477894caa6a7bfff /activerecord/lib/active_record/persistence.rb | |
parent | 5df076ad0965dc684afff8a019fd9f92a53ada76 (diff) | |
parent | 58c3ec1b7b7ee073edf9c245de5d06426be60a25 (diff) | |
download | rails-56a5da89dbcdd6d73f26f5c1be6221b684574b2b.tar.gz rails-56a5da89dbcdd6d73f26f5c1be6221b684574b2b.tar.bz2 rails-56a5da89dbcdd6d73f26f5c1be6221b684574b2b.zip |
Merge branch 'master' into sprockets
Conflicts:
railties/lib/rails/application/configuration.rb
Diffstat (limited to 'activerecord/lib/active_record/persistence.rb')
-rw-r--r-- | activerecord/lib/active_record/persistence.rb | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/persistence.rb b/activerecord/lib/active_record/persistence.rb index 17a64b6e86..a916c88348 100644 --- a/activerecord/lib/active_record/persistence.rb +++ b/activerecord/lib/active_record/persistence.rb @@ -119,6 +119,20 @@ module ActiveRecord save(:validate => false) end + # Updates a single attribute of an object, without calling save. + # + # * Validation is skipped. + # * Callbacks are skipped. + # * updated_at/updated_on column is not updated if that column is available. + # + def update_column(name, value) + name = name.to_s + raise ActiveRecordError, "#{name} is marked as readonly" if self.class.readonly_attributes.include?(name) + raise ActiveRecordError, "can not update on a new record object" unless persisted? + raw_write_attribute(name, value) + self.class.update_all({ name => value }, self.class.primary_key => id) == 1 + end + # Updates the attributes of the model from the passed-in hash and saves the # record, all wrapped in a transaction. If the object is invalid, the saving # will fail and false will be returned. |