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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/04/21 10:30:55 UTC

[GitHub] [arrow-datafusion] tustvold commented on issue #2292: Add SchemaAdapterExec

tustvold commented on issue #2292:
URL: https://github.com/apache/arrow-datafusion/issues/2292#issuecomment-1105031204

   Thank you for bringing this up, to phrase it differently to check my understanding:
   
   * The ParquetExec, etc... needs to provide a schema at plan time
   * It needs to yield batches that match this schema
   * Depending on the catalog, the individual files might not match this schema, but must be compatible with it
   
   I agree that there doesn't appear to be a way around this without the file operator handling the schema adaption. I will close this and update the other tickets accordingly. Thank you :+1:


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