Github user greghogan commented on a diff in the pull request:
https://github.com/apache/flink/pull/4624#discussion_r139187009
--- 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 --
We should be writing out "if and only if" iff that is the intent.
---
