cloud-fan commented on code in PR #51567:
URL: https://github.com/apache/spark/pull/51567#discussion_r2218090752
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala:
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@@ -2919,21 +2919,21 @@ class Analyzer(override val catalogManager:
CatalogManager) extends RuleExecutor
def resolveExprsWithAggregate(
exprs: Seq[Expression],
agg: Aggregate): (Seq[NamedExpression], Seq[Expression]) = {
- val extraAggExprs = ArrayBuffer.empty[NamedExpression]
+ val extraAggExprs = new LinkedHashSet[NamedExpression]
Review Comment:
shall we use `ExpressionSet` which deduplicates expressions by their
semantics instead of object equality?
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