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Hi,
the query will not be run by Athena, and there will not be any additional cost. When using AWS Glue Catalog to power Spark, the catalog replaces the Hive Metastore in informing Spark SQL on how to access the S3 data.
The 2 methods are equivalent, the first is only a bit more concise and user friendly not having to remember or know where the files for the table are.
Hope this helps.
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