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並前往https://blog.quiltdata.com/convert-json-objects-in-s3-to-rows-in-athena-or-presto-sql-b4c3d6b9f9de

Convert JSON objects in S3 to rows in Athena or Presto SQL

Append CROSS JOIN UNNEST(record) AS t(heroes) to our query and voila. The full query solution. WITH raw AS ( SELECT CAST(json_extract(user_meta, ...

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