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Editorial Team
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Asked: 2026-05-27T10:44:08+00:00

To do a special kind of validation in an ActiveRecord-based model I need to

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To do a special kind of validation in an ActiveRecord-based model I need to manually do the update_attributes-steps:
load(params) && save

But when I try to call “load” on my Model’s instance (mymodel.load(params)) it calls “load” on ActiveSupport, trying to load a file.

Is there a way to tell Rails to use the ActiveRecord-method?

Thanks!

Regards
Marc

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1 Answer

  1. Editorial Team

    I think you want the assign_attribute method of ActiveRecord::Base.

    I’m using Rails 3.1.3, but hopefully this is correct for you.

    The update_attributes source you pasted belongs to ActiveResource::Base, not toActiveRecord::Base. I just made that mistake myself: Is it possible to call ActiveResource::Base#load? ActiveRecord::Base does not supply a load method. Instead the load method of Object is called, which appears to be supplied by ActiveSupport’s Loadable module in activesupport-3.1.3/lib/active_support/dependencies.rb.

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