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https://issues.apache.org/jira/browse/FLINK-6406?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15989841#comment-15989841
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ASF GitHub Bot commented on FLINK-6406:
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Github user asfgit closed the pull request at:
https://github.com/apache/flink/pull/3795
> Cleanup useless import
> -----------------------
>
> Key: FLINK-6406
> URL: https://issues.apache.org/jira/browse/FLINK-6406
> Project: Flink
> Issue Type: Improvement
> Components: Table API & SQL
> Affects Versions: 1.3.0
> Reporter: sunjincheng
> Assignee: sunjincheng
>
> When browsing the code, it is found that there are some useless reference in
> the following file which need cleanup.
> {{packages.scala}}
> {{ExternalCatalogTable}}
> {{arithmetic.scala}}
> {{array.scala}}
> {{ColumnStats}}
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