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https://issues.apache.org/jira/browse/FLINK-20700?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ZhangWei updated FLINK-20700:
-----------------------------
Description:
In org.apache.flink.table.annotation.FunctionHint, the return type of input()
is an
array of DataTypeHint, while the default value is @DataTypeHint() which is just
an object.
So the method defination should be as below, *{}*should be added.
DataTypeHint[] input() default \{@DataTypeHint()};
was:
In org.apache.flink.table.annotation.FunctionHint, the return type of input()
is an
array of DataTypeHint, while the default value is @DataTypeHint() which is just
an object.
So the method defination should be as below, *{}*should be added.
DataTypeHint[] input() default {@DataTypeHint()};
> Default value type does not match the return type of method input()
> -------------------------------------------------------------------
>
> Key: FLINK-20700
> URL: https://issues.apache.org/jira/browse/FLINK-20700
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / API
> Affects Versions: 1.12.0
> Reporter: ZhangWei
> Priority: Trivial
>
> In org.apache.flink.table.annotation.FunctionHint, the return type of input()
> is an
> array of DataTypeHint, while the default value is @DataTypeHint() which is
> just an object.
> So the method defination should be as below, *{}*should be added.
> DataTypeHint[] input() default \{@DataTypeHint()};
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