method
find_sti_class
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find_sti_class(type_name)
private
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# File activerecord/lib/active_record/inheritance.rb, line 179 def find_sti_class(type_name) if store_full_sti_class ActiveSupport::Dependencies.constantize(type_name) else compute_type(type_name) end rescue NameError raise SubclassNotFound, "The single-table inheritance mechanism failed to locate the subclass: '#{type_name}'. " + "This error is raised because the column '#{inheritance_column}' is reserved for storing the class in case of inheritance. " + "Please rename this column if you didn't intend it to be used for storing the inheritance class " + "or overwrite #{name}.inheritance_column to use another column for that information." end