method

increment

Ruby on Rails latest stable (v7.1.3.2) - 0 notes - Class: ActiveRecord::Persistence

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increment(attribute, by = 1) public

Initializes attribute to zero if nil and adds the value passed as by (default is 1). The increment is performed directly on the underlying attribute, no setter is invoked. Only makes sense for number-based attributes. Returns self.

Show source

# File activerecord/lib/active_record/persistence.rb, line 959
    def increment(attribute, by = 1)
      self[attribute] ||= 0
      self[attribute] += by
      self
    end

increment

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