Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3039#discussion_r94856759
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/plan/nodes/FlinkRel.scala
---
@@ -120,6 +124,7 @@ trait FlinkRel {
case typeName if
SqlTypeName.YEAR_INTERVAL_TYPES.contains(typeName) => s + 8
case typeName if SqlTypeName.DAY_INTERVAL_TYPES.contains(typeName)
=> s + 4
case SqlTypeName.TIME | SqlTypeName.TIMESTAMP | SqlTypeName.DATE
=> s + 12
+ case SqlTypeName.ROW => s +
estimateRowSize(fieldList.get(0).getType()).asInstanceOf[Int]
--- End diff --
shouldn't `get(0)` access the type at the index of the current field that
is folded instead of always the first?
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