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ZOZOAdvent Calendar 2023

Day 5

BigQueryでKARTE SignalsのGoogle広告用のハッシュ値を生成する

Last updated at Posted at 2023-12-05

以下のドキュメントにかかれている、ハッシュ値をBigQueryで求めてみます。

@の手前のドットは削除する必要がある一方で、@の後ろのドットは維持する必要がある点に注意しながら、文字列置換を行います。

to_hex(sha256(lower(replace(replace(split(email, '@')[0], ' ', ''), '.', '')) || '@' || lower(replace(split(email, '@')[1], ' ', ''))))

サンプルとして提供されている John.Smith@gmail.com に対して処理した結果、ハッシュ値のサンプル通りの値が得られることが分かります。

スクリーンショット 2023-12-04 17.01.12.png

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