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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:
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Description:
Most of the UDF function signatures that includes composite types such as
{code:java}MAP{code}, {code:java}ARRAY{code}, 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.
was:
Most of the UDF function signatures that includes composite types such as
{code}MAP{/code} {{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.
> 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
> {code:java}MAP{code}, {code:java}ARRAY{code}, 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.
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