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Posted to commits@hudi.apache.org by GitBox <gi...@apache.org> on 2021/11/02 14:42:35 UTC

[GitHub] [hudi] jadireddi commented on issue #3558: [SUPPORT] Schema evolution error: promoted data type from integer to double

jadireddi commented on issue #3558:
URL: https://github.com/apache/hudi/issues/3558#issuecomment-957726431


   @nsivabalan , Hudi uses `parquet-avro`. So there is a slight variation for the primitive typesconversion  between avro and parquet-avro.
   
   AFAIK,
   int is promoted to int
   long is promoted to int, long
   double is promoted to int, long, float, double.
   
   Ref: https://github.com/apache/parquet-mr/blob/59e9f78b8b3a30073db202eb6432071ff71df0ec/parquet-avro/src/main/java/org/apache/parquet/avro/AvroConverters.java#L146
   


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