snuyanzin commented on code in PR #21934:
URL: https://github.com/apache/flink/pull/21934#discussion_r1147196382
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flink-table/flink-table-planner/src/main/scala/org/apache/flink/table/planner/plan/metadata/FlinkRelMdSize.scala:
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@@ -126,7 +126,7 @@ class FlinkRelMdSize private extends
MetadataHandler[BuiltInMetadata.Size] {
// get each column's RexNode (RexLiteral, RexInputRef or null)
val projectNodes = (0 until fieldCount).map {
i =>
- val initNode: RexNode = rel.getCluster.getRexBuilder.constantNull()
+ val initNode: RexNode =
rel.getCluster.getRexBuilder.makeNullLiteral(rel.getRowType)
Review Comment:
good catch, yes, you're right, thanks
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