Sean Zhong created SPARK-15733:
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Summary: Makes the explain output less verbose by hiding some
verbose output like None, null, empty List, and etc..
Key: SPARK-15733
URL: https://issues.apache.org/jira/browse/SPARK-15733
Project: Spark
Issue Type: Improvement
Components: SQL
Reporter: Sean Zhong
Priority: Minor
In the output of {{dataframe.explain()}}, we often see verbose string pattern
like {{None, [], {}, null, Some(tableName)}}.
For example, for {{spark.sql("show tables").explain()}}, we get:
{code}
== Physical Plan ==
ExecutedCommand
: +- ShowTablesCommand None, None
{code}
It will be easier to read if we can optimize it to:
{code}
== Physical Plan ==
ExecutedCommand
: +- ShowTablesCommand
{code}
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