AWS Tutorials - Flat nested data with “Flatten” Transform in AWS Glue Studio

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Many times, the data platforms work with nested data and it needs to flat the nested data for the business need. AWS Glue Studio Flatten transformation can flatten the nested structure at any level. Learn how to use flatten transform in an ETL job.
  1. AWS Tutorials
  2. Amazon
  3. AWS
  4. Amazon Web Services
  5. Glue
  6. Studio
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Комментарии
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Thanks, I just tried it with Glue 4.0 version. The data is available in the Glue data catalog with multiple nested levels of values. I did use the Flatten and store it as a CSV in S3. But got the following error.

Error Category: QUERY_ERROR; AnalysisException: Ambiguous reference to fields StructField(Status, StringType, true), StructField(status, StringType, true)

SivaChidambaram
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What is the difference between flatten and relationalize transform in AWS Glue? Can we use flatten tranform on highly nested xml files? Please explain

durgarasane-kolapkar
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Is this a new transform that was recently added to Glue Studio ?

lilcoool
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I think it doesn't work with Glue 4.0

patrikozafriko
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It's strange. I dont see this transformation in my console. I dont see UUID transformation that you see either.

ghostvideouploader
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Can we catalog the nested data from s3 bucket or not?

rushikeshgore