bvarghese1 commented on code in PR #22730:
URL: https://github.com/apache/flink/pull/22730#discussion_r1222374966
##########
flink-table/flink-table-common/src/main/java/org/apache/flink/table/functions/BuiltInFunctionDefinitions.java:
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@@ -272,6 +281,61 @@ ANY, and(logical(LogicalTypeRoot.BOOLEAN), LITERAL)
"org.apache.flink.table.runtime.functions.scalar.ArrayUnionFunction")
.build();
+ public static final BuiltInFunctionDefinition ARRAY_MAX =
+ BuiltInFunctionDefinition.newBuilder()
+ .name("ARRAY_MAX")
+ .kind(SCALAR)
+ .inputTypeStrategy(
+ new InputTypeStrategy() {
Review Comment:
I think we should move this to a new class `ArrayElementInputTypeStrategy`
unless an existing InputStrategy doesn't allow this already. cc @dawidwys
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