Maxim Gekk created SPARK-25913:
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Summary: Unary SparkPlan nodes should extend UnaryExecNode
Key: SPARK-25913
URL: https://issues.apache.org/jira/browse/SPARK-25913
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 2.4.0
Reporter: Maxim Gekk
The execution nodes with one child (unary node) should extend UnaryExecNode.
For example:
* DataWritingCommandExec
* EvalPythonExec
* ContinuousCoalesceExec
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