回答編集履歴
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リンク修正
test
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@@ -66,4 +66,4 @@
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[https://docs.aws.amazon.com/ja_jp/athena/latest/ug/presto-functions.html](https://docs.aws.amazon.com/ja_jp/athena/latest/ug/presto-functions.html)
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[https://masahikosawada.github.io/2018/07/07/Window-Frame/](https://masahikosawada.github.io/2018/07/07/Window-Frame/)
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69
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[https://masahikosawada.github.io/2018/07/07/Window-Frame/#rangeモード](https://masahikosawada.github.io/2018/07/07/Window-Frame/#rangeモード)
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追記
test
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FROM TBL AS Z
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```
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---
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追記 2021/11/27
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当方Amazon Athenaを使用出来る環境にないのですが
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マニュアルを見るところwindow関数が使えるようなので
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window関数を使ったSQLは以下のようになると思われます。
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ただし、RANGEフレームは使用出来ない可能性が高いと思います。
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```sql
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SELECT
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UID
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, DAY
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, 購入金額
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, SUM(購入金額) OVER (
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PARTITION BY UID
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ORDER BY DAY
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RANGE BETWEEN '1 month' PRECEDING AND CURRENT ROW
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) AS 過去1か月の購入金額
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FROM TBL
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```
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参考
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[https://docs.aws.amazon.com/ja_jp/athena/latest/ug/presto-functions.html](https://docs.aws.amazon.com/ja_jp/athena/latest/ug/presto-functions.html)
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68
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[https://masahikosawada.github.io/2018/07/07/Window-Frame/](https://masahikosawada.github.io/2018/07/07/Window-Frame/)
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