snuyanzin commented on code in PR #27166:
URL: https://github.com/apache/flink/pull/27166#discussion_r2482670304
##########
flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/plan/rules/logical/JoinToMultiJoinRule.java:
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@@ -532,6 +596,8 @@ private void addJoinKeysByOperand(
joinKeys.add(qualifiedName.get(qualifiedName.size() - 1) + "."
+ fieldName);
}
}
+
Review Comment:
if we construct keys this way, will it work in case of joins on nested
fields?
Or do we have any test for this?
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