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https://issues.apache.org/jira/browse/FLINK-34055?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17810863#comment-17810863
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Shengkai Fang commented on FLINK-34055:
---------------------------------------
Merged into master:
e1ebcaff52f423fdb54e3cb1bf8d5b3ccafc0a2f
9171194ef2647af1b55e58b98daeebabb6c84ad7
eb848dc0676d2c06adb3d16b3c6e51b378d4c57b
> Introduce a new annotation for named parameters
> -----------------------------------------------
>
> Key: FLINK-34055
> URL: https://issues.apache.org/jira/browse/FLINK-34055
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / Planner
> Reporter: Feng Jin
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.19.0
>
>
> Introduce a new annotation to specify the parameter name, indicate if it is
> optional, and potentially support specifying default values in the future.
> Deprecate the argumentNames method in FunctionHints as it is not
> user-friendly for specifying argument names with optional configuration.
>
> {code:java}
> public @interface ArgumentHint {
> /**
> * The name of the parameter, default is an empty string.
> */
> String name() default "";
>
> /**
> * Whether the parameter is optional, default is false.
> */
> boolean isOptional() default false;
>
> /**
> * The data type hint for the parameter.
> */
> DataTypeHint type() default @DataTypeHint();
> }
> {code}
> {code:java}
> public @interface FunctionHint {
>
> /**
> * Deprecated attribute for specifying the names of the arguments.
> * It is no longer recommended to use this attribute.
> */
> @Deprecated
> String[] argumentNames() default {""};
>
> /**
> * Attribute for specifying the hints and additional information for
> function arguments.
> */
> ArgumentHint[] arguments() default {};
> }
> {code}
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