Sean Zhong created SPARK-15495:
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Summary: Improve the output of explain for aggregate operator
Key: SPARK-15495
URL: https://issues.apache.org/jira/browse/SPARK-15495
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 1.6.2, 2.0.0
Reporter: Sean Zhong
Priority: Minor
The current output of explain has several problems:
1. the output format is not consistent.
2. Some key information is missing.
3. For some nodes, the output message is too verbose.
4. We don't know the output fields of each physical fields.
and ...
I'll add more comments later.
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