dongjoon-hyun commented on a change in pull request #28490:
URL: https://github.com/apache/spark/pull/28490#discussion_r518442446
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
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@@ -1425,11 +1450,49 @@ class Analyzer(
// rule: ResolveDeserializer.
case plan if containsDeserializer(plan.expressions) => plan
- // SPARK-25942: Resolves aggregate expressions with `AppendColumns`'s
children, instead of
- // `AppendColumns`, because `AppendColumns`'s serializer might produce
conflict attribute
- // names leading to ambiguous references exception.
- case a @ Aggregate(groupingExprs, aggExprs, appendColumns:
AppendColumns) =>
- a.mapExpressions(resolveExpressionTopDown(_, appendColumns))
+ // SPARK-31607: Resolve Struct field in groupByExpressions and
aggregateExpressions
Review comment:
In the comment, SPARK-31607 seems to be a typo of SPARK-31670 because
SPARK-31607 is `Improve the perf of CTESubstitution`.
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