godfrey he created FLINK-11680:
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Summary: make query plan easier to read
Key: FLINK-11680
URL: https://issues.apache.org/jira/browse/FLINK-11680
Project: Flink
Issue Type: New Feature
Components: Table API & SQL
Reporter: godfrey he
Assignee: godfrey he
Attachments: image-2019-02-20-20-04-08-844.png,
image-2019-02-20-20-05-06-506.png
The query plan generated by RelOptUtil#toString is hard to read, especially
the query is very complex(multiple joins or unions).
There is a query plan of tpcds q25.sql generated by RelOptUtil#toString:
!image-2019-02-20-20-05-06-506.png!
We can improve the utility method to make the query plan more readable, like:
!image-2019-02-20-20-10-58-187.png!
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