decrement!(attribute, by = 1) — ActiveRecord::Base

decrement!(attribute, by = 1)

Wrapper around decrement that saves the record. This method differs from its non-bang version in that it passes through the attribute setter. Saving is not subjected to validation checks. Returns true if the record could be saved.

Parameters

attribute req
by opt = 1

Source

# File activerecord/lib/active_record/base.rb, line 2511
      def decrement!(attribute, by = 1)
        decrement(attribute, by).update_attribute(attribute, self[attribute])
      end

Defined in activerecord/lib/active_record/base.rb line 2511 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::Base

Signature

Parameters