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https://issues.apache.org/jira/browse/FLINK-9294?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rong Rong updated FLINK-9294:
-----------------------------
Description:
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.
was:
Most of the UDF function signatures that includes composite types such as
{quote}MAP{quote}, {quote}ARRAY{quote}, etc would require user to override
{code:java}getParameterType{code} or {code:java}getResultType{code} method
explicitly.
It should be able to resolve the composite type based on the function signature.
> 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 & SQL
> Reporter: 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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