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Home/ Questions/Q 7712131
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Editorial Team
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Editorial Team
Asked: June 1, 20262026-06-01T01:33:07+00:00 2026-06-01T01:33:07+00:00

I want to update an attribute defined by a variable in an activerecord model.

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I want to update an attribute defined by a variable in an activerecord model.

This is my method

def increment_attribute(attr_name)
  self.attribute(attr_name).increment
end

This doesn’t work because attribute is a private activerecord method

How should I do this? Thanks!

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  1. Editorial Team
    Editorial Team
    2026-06-01T01:33:09+00:00Added an answer on June 1, 2026 at 1:33 am
    def increment_attribute(name)
      self.send(name).increment
    end
    
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