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MolarFox/common_attributes.rb

Created May 19, 2025 03:17
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Ruby / common attributes in array of models
Raw
common_attributes.rb
def common_attributes(records)
# records should be T::Array[M] of any model M
common = records.first.attributes.dup
records.each do |r|
common.each_key do |key|
common.delete(key) if r.attributes[key] != common[key]
end
end
common # Hash of all attributes that had the same value in all rows in array
end
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