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Posted to issues@flink.apache.org by clarkyzl <gi...@git.apache.org> on 2017/02/23 11:20:11 UTC

[GitHub] flink issue #3389: [FLINK-5881] [table] ScalarFunction(UDF) should support v...

Github user clarkyzl commented on the issue:

    https://github.com/apache/flink/pull/3389
  
    If the following scenario happens,
    ```java
    public int eval(String a, int... b) {
    	return b.length;
    }
    
    public String eval(String c) {
    	return c;
    }
    ```
    It will throw a ValidationException


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