diff options
Diffstat (limited to 'activerecord/lib/active_record/locking/optimistic.rb')
| -rw-r--r-- | activerecord/lib/active_record/locking/optimistic.rb | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/activerecord/lib/active_record/locking/optimistic.rb b/activerecord/lib/active_record/locking/optimistic.rb index c8cd79a2b0..986bc7009b 100644 --- a/activerecord/lib/active_record/locking/optimistic.rb +++ b/activerecord/lib/active_record/locking/optimistic.rb @@ -23,16 +23,6 @@ module ActiveRecord # p2.first_name = "should fail" # p2.save # Raises a ActiveRecord::StaleObjectError # - # Optimistic locking will also check for stale data when objects are destroyed. Example: - # - # p1 = Person.find(1) - # p2 = Person.find(1) - # - # p1.first_name = "Michael" - # p1.save - # - # p2.destroy # Raises a ActiveRecord::StaleObjectError - # # You're then responsible for dealing with the conflict by rescuing the exception and either rolling back, merging, # or otherwise apply the business logic needed to resolve the conflict. # @@ -49,7 +39,6 @@ module ActiveRecord self.lock_optimistically = true alias_method_chain :update, :lock - alias_method_chain :destroy, :lock alias_method_chain :attributes_from_column_definition, :lock class << self @@ -111,29 +100,6 @@ module ActiveRecord end end - def destroy_with_lock #:nodoc: - return destroy_without_lock unless locking_enabled? - - unless new_record? - lock_col = self.class.locking_column - previous_value = send(lock_col).to_i - - arel_table = self.class.arel_table(self.class.table_name) - - affected_rows = arel_table.where( - arel_table[self.class.primary_key].eq(quoted_id).and( - arel_table[self.class.locking_column].eq(quote_value(previous_value)) - ) - ).delete - - unless affected_rows == 1 - raise ActiveRecord::StaleObjectError, "Attempted to delete a stale object" - end - end - - freeze - end - module ClassMethods DEFAULT_LOCKING_COLUMN = 'lock_version' |