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https://issues.apache.org/jira/browse/FLINK-13933?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16934188#comment-16934188
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fa zheng commented on FLINK-13933:
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It is not a problem. If you want to use hive udtf in flink sql, you must use by
lateral way, e.g.
SELECT a from table_name, LATERAL TABLE(func(s)) as T(a)
> Hive Generic UDTF can not be used in table API both stream and batch mode
> -------------------------------------------------------------------------
>
> Key: FLINK-13933
> URL: https://issues.apache.org/jira/browse/FLINK-13933
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Affects Versions: 1.9.0
> Reporter: fa zheng
> Priority: Major
> Fix For: 1.9.1
>
> Original Estimate: 12h
> Remaining Estimate: 12h
>
> When i use Hive Generic UDTF in table API, something wrong with
> CalciteContextException: No match found for function signature . As mentioned
> in tutorials, Hive’s GenericUDTF is automatically translated into Flink’s
> TableFunction. However, it didn't give a property of TABLE_FUNCTION. In
> convertToSqlFunction, when functionDefinition is instanceof
> TableFunctionDefinition, it will further call category.isTableFunction() and
> lead a wrong answer.
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