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That might be an internal Redshift error! I'd start by checking that all files in that S3 path are in valid ORC format. Also Make sure no other files have accidentally been included. You might want to remove all but one file in that location and progressively add the other files to find which one(s) are causing the problem. I wonder whether you could test the file format by using Amazon Athena. Try querying the file by Athena
answered 2 years ago
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I would validate the parquet file (checksum) and if necessary/possible regenerate it.
answered 3 months ago
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