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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2018/12/21 04:09:57 UTC
[GitHub] cloud-fan edited a comment on issue #20974: [SPARK-23862][SQL]
Spark ExpressionEncoder should support java enum type in scala
cloud-fan edited a comment on issue #20974: [SPARK-23862][SQL] Spark ExpressionEncoder should support java enum type in scala
URL: https://github.com/apache/spark/pull/20974#issuecomment-449239693
All the data in Spark SQL must have a schema. When we convert a java enum to Spark SQL data, which type should we pick? To me string is a better type than int.
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