1ed354a536
https://issues.apache.org/jira/browse/SPARK-12939 Now we will catch `ObjectOperator` in `Analyzer` and resolve the `fromRowExpression/deserializer` inside it. Also update the `MapGroups` and `CoGroup` to pass in `dataAttributes`, so that we can correctly resolve value deserializer(the `child.output` contains both groupking key and values, which may mess things up if they have same-name attribtues). End-to-end tests are added. follow-ups: * remove encoders from typed aggregate expression. * completely remove resolve/bind in `ExpressionEncoder` Author: Wenchen Fan <wenchen@databricks.com> Closes #10852 from cloud-fan/bug. |
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