Github user asfgit closed the pull request at:
https://github.com/apache/spark/pull/17780
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GitHub user tejasapatil opened a pull request:
https://github.com/apache/spark/pull/17780
[SPARK-20487][SQL] `HiveTableScan` node is quite verbose in explained plan
## What changes were proposed in this pull request?
Changed `TreeNode.argString` to handle `CatalogTable`
