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https://issues.apache.org/jira/browse/FLINK-3579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15204369#comment-15204369
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ASF GitHub Bot commented on FLINK-3579:
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Github user vasia commented on the pull request:
https://github.com/apache/flink/pull/1808#issuecomment-199321446
`tableOnCalcite` was deleted on Friday, but it seems that this PR was
closed yesterday, so I'm not sure if that's why.
Sorry for the inconvenience @ramkrish86!
> Improve String concatenation
> ----------------------------
>
> Key: FLINK-3579
> URL: https://issues.apache.org/jira/browse/FLINK-3579
> Project: Flink
> Issue Type: Bug
> Components: Table API
> Reporter: Timo Walther
> Assignee: ramkrishna.s.vasudevan
> Priority: Minor
>
> Concatenation of a String and non-String does not work properly.
> e.g. {{f0 + 42}} leads to RelBuilder Exception
> ExpressionParser does not like {{f0 + 42.cast(STRING)}} either.
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