fsk119 commented on a change in pull request #13631:
URL: https://github.com/apache/flink/pull/13631#discussion_r506036775
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File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/planner/plan/utils/RexNodeExtractor.scala
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@@ -268,7 +268,8 @@ class RefFieldAccessorVisitor(usedFields: Array[Int])
extends RexVisitorImpl[Uni
// access is top-level access => return top-level access
case _ :: _ if nestedAccess.equals("*") => List("*")
// previous access is not prefix of this access => add access
- case head :: _ if !nestedAccess.startsWith(head) =>
+ // it may cause bug without "." as tail if we have references a.b
and a.bb
+ case head :: _ if !nestedAccess.startsWith(head + ".") =>
Review comment:
I have use qualified name list to determine whether the element has been
added into new schema.
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