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Posted to issues@flink.apache.org by "Rong Rong (JIRA)" <ji...@apache.org> on 2018/05/03 15:51:00 UTC

[jira] [Assigned] (FLINK-9294) Improve type inference for UDFs with composite parameter or result type

     [ https://issues.apache.org/jira/browse/FLINK-9294?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rong Rong reassigned FLINK-9294:
--------------------------------

    Assignee: Rong Rong

> Improve type inference for UDFs with composite parameter or result type 
> ------------------------------------------------------------------------
>
>                 Key: FLINK-9294
>                 URL: https://issues.apache.org/jira/browse/FLINK-9294
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table API &amp; SQL
>            Reporter: Rong Rong
>            Assignee: Rong Rong
>            Priority: Major
>
> Most of the UDF function signatures that includes composite types such as *{{MAP}}*, *{{ARRAY}}*, etc would require user to override *{{getParameterType}}* or *{{getResultType}}* method explicitly. 
> It should be able to resolve the composite type based on the function signature.



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