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https://issues.apache.org/jira/browse/FLINK-6441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16706587#comment-16706587
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Ruidong Li commented on FLINK-6441:
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Thanks for [~twalthr] and [~hequn8128], This issue has not been fixed. I'll fix
it these days.
> Improve the UDTF
> ----------------
>
> Key: FLINK-6441
> URL: https://issues.apache.org/jira/browse/FLINK-6441
> Project: Flink
> Issue Type: Improvement
> Components: Table API & SQL
> Reporter: Ruidong Li
> Assignee: Ruidong Li
> Priority: Major
>
> According to [FLINK-6334], UDTF's apply method return a unbounded Table which
> consists of a LogicalTableFunctionCall, and only supported Alias
> transformation, this issue is focus on adding evaluating in Select, e.g
> table.join(split('c) as ('a, b) select ('a * 2 as 'a, 'b + 1 as 'b))
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