[jira] [Created] (FLINK-6837) Fix a small error message bug, And improve some message info.

[sunjincheng (JIRA)]

sunjincheng created FLINK-6837:
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             Summary: Fix a small error message bug, And improve some message 
info.
                 Key: FLINK-6837
                 URL: https://issues.apache.org/jira/browse/FLINK-6837
             Project: Flink
          Issue Type: Bug
          Components: Table API & SQL
    Affects Versions: 1.4.0
            Reporter: sunjincheng
            Assignee: sunjincheng


Fix a variable reference error, and improve some error message info.



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