raminqaf commented on code in PR #28235:
URL: https://github.com/apache/flink/pull/28235#discussion_r3310087898
##########
flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/functions/inference/CallBindingCallContext.java:
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@@ -312,6 +312,11 @@ public int timeColumn() {
public Optional<ChangelogMode> changelogMode() {
return Optional.empty();
}
+
+ @Override
+ public int[] upsertKeyColumns() {
+ return new int[0];
Review Comment:
I have updated the docs on this and hopefully makes it more clear now
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