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RNDcpp/google-cloud-bigquery-test.rb

Created January 24, 2020 03:00
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google-cloud-bigquery-test.rb
ids = [1,2,3]
#=> [1, 2, 3]
#書き込み
recommendation = Recommendation.create(uid: 1, recommended_id_list: ids.pack('Q<*'))
#=> #<Recommendation uid: 1, recommended_id_list: "\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00", updated_at: "2020-01-15 09:56:20">
#読み込み
recommendation.recommended_id_list.unpack('Q<*')
#=> [1, 2, 3]
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