[GitHub] flink pull request #4624: [FLINK-7410] [table] Use toString method to displa...

[hequn8128]

Github user hequn8128 commented on a diff in the pull request:

    https://github.com/apache/flink/pull/4624#discussion_r141354970
  
    --- Diff: 
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/functions/UserDefinedFunction.scala
 ---
    @@ -41,7 +41,7 @@ abstract class UserDefinedFunction extends Serializable {
       def close(): Unit = {}
     
       /**
    -    * @return true iff a call to this function is guaranteed to always 
return
    +    * @return true if a call to this function is guaranteed to always 
return
    --- End diff --
    
    thanks all, I think "if and only if" is better


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