method

decrement!

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What's this?

decrement!(attribute, by = 1) public

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.

Show source

# File activerecord/lib/active_record/persistence.rb, line 338
    def decrement!(attribute, by = 1)
      decrement(attribute, by).update_attribute(attribute, self[attribute])
    end

decrement!

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