snuyanzin commented on code in PR #22717:
URL: https://github.com/apache/flink/pull/22717#discussion_r1223333136
##########
flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java:
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@@ -1407,6 +1409,44 @@ public OutType arrayUnion(InType array) {
unresolvedCall(ARRAY_UNION, toExpr(),
objectToExpression(array)));
}
+ /**
+ * Returns an array of the elements in the concat of array1 and array2,
without duplicates.
Review Comment:
Does this comment still match the method ?
I'm asking since it is unclear: what is `array1`, `array2` and why we are
talking about `without duplicates`?
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