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decrement!

decrement!(attribute, by = 1)

Instance Public methods

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.

Links:

https://github.com/rails/rails/blob/abb92690ee7c3e447427963ad6000526908c1e53/activerecord/lib/active_record/persistence.rb#L318

doc_ruby_on_rails

2015-06-20 00:00:00

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