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Athena の Query で正規表現とかサブクエリとかやる方法

More than 1 year has passed since last update.
SELECT count(*)
FROM 
    (SELECT regexp_extract_all(request_uri, '(.*hoge_id=.*?)(.*?)&', 2)
        FROM "DATABASE_NAME"."TABLE_NAME"
        WHERE year=2018
            AND month=3
            AND day=13
        GROUP BY  regexp_extract_all(request_uri, '(.*hoge_id=.*?)(.*?)&', 2)
    )
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