hanyuzheng7 commented on code in PR #22730:
URL: https://github.com/apache/flink/pull/22730#discussion_r1242457763
##########
flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java:
##########
@@ -1407,6 +1408,15 @@ public OutType arrayUnion(InType array) {
unresolvedCall(ARRAY_UNION, toExpr(),
objectToExpression(array)));
}
+ /**
+ * Return an element that is the maximum element in the array.
+ *
+ * <p>if array itself is null, the * function will return null.
Review Comment:
fixed it.
##########
flink-python/pyflink/table/expression.py:
##########
@@ -1519,6 +1519,13 @@ def array_union(self, array) -> 'Expression':
"""
return _binary_op("arrayUnion")(self, array)
+ def array_max(self) -> 'Expression':
+ """
+ Return the element that this element is the maximum one in the array
+ If the array is null, the function will return null.
Review Comment:
fixed it.
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