Roc Marshal created FLINK-23909:
-----------------------------------
Summary: Remove redundant variables and improve some style format
in coding.
Key: FLINK-23909
URL: https://issues.apache.org/jira/browse/FLINK-23909
Project: Flink
Issue Type: Improvement
Components: Connectors / JDBC, Deployment / YARN, Scala Shell
Affects Versions: 1.13.2
Reporter: Roc Marshal-- This message was sent by Atlassian Jira (v8.3.4#803005)
