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https://issues.apache.org/jira/browse/FLINK-3579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15195331#comment-15195331
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ramkrishna.s.vasudevan commented on FLINK-3579:
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Created an updated pull. But am still doubtful on the 'cast' change.
Is it right to add another version of 'CAST' without the '.' operator? That
seems to solve all the variation of cast operator.
{code}
atom <~ "cast(BYTE)" ^^ { e => Cast(e, BasicTypeInfo.BYTE_TYPE_INFO) } |
{code}
> 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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