ec2b807212
We need to support custom classes like java beans and combine them into tuple, and it's very hard to do it with the TypeTag-based approach. We should keep only the compose-based way to create tuple encoder. This PR also move `Encoder` to `org.apache.spark.sql` Author: Wenchen Fan <wenchen@databricks.com> Closes #9567 from cloud-fan/java. |
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