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https://issues.apache.org/jira/browse/FLINK-9502?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Leonard Xu resolved FLINK-9502.
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Resolution: Duplicate
> Use generic parameter search for user-define functions when argument contains
> Object type
> -----------------------------------------------------------------------------------------
>
> Key: FLINK-9502
> URL: https://issues.apache.org/jira/browse/FLINK-9502
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / API
> Reporter: Rong Rong
> Priority: Major
> Labels: auto-unassigned
>
> This ticket is to enable generic Object type as element type by using SQL ANY
> in parameter / argument type mapping.
> This will enable support for use case such as:
> {code:java}
> public String eval(Object objArg) { /* ... */ }
> {code}
> The changes require here:
> 1. Introduce wildcard search and search rules for SQL ANY type usage.
> 2. Enabling wildcard search when concrete type search returns no match.
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