method
resolve_attributes
v7.1.3.4 -
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Class: ActiveRecord::Validations::UniquenessValidator
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resolve_attributes(record, attributes)
private
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# File activerecord/lib/active_record/validations/uniqueness.rb, line 97 def resolve_attributes(record, attributes) attributes.flat_map do |attribute| reflection = record.class._reflect_on_association(attribute) if reflection.nil? attribute.to_s elsif reflection.polymorphic? [reflection.foreign_key, reflection.foreign_type] else reflection.foreign_key end end end