HeartSaVioR commented on a change in pull request #33081:
URL: https://github.com/apache/spark/pull/33081#discussion_r658583857
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/aggregate/UpdatingSessionsIterator.scala
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@@ -181,7 +181,8 @@ class UpdatingSessionsIterator(
private val valueProj = GenerateUnsafeProjection.generate(valuesExpressions,
inputSchema)
private val restoreProj = GenerateUnsafeProjection.generate(inputSchema,
- groupingExpressions.map(_.toAttribute) ++
valuesExpressions.map(_.toAttribute))
+ groupingWithoutSession.map(_.toAttribute) ++
Seq(sessionExpression.toAttribute) ++
Review comment:
There's a case session column is not placed at the end of the key. This
line addresses such case.
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