cloud-fan commented on a change in pull request #32450:
URL: https://github.com/apache/spark/pull/32450#discussion_r628202988
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/Statistics.scala
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@@ -49,12 +50,15 @@ object Statistics {
* @param attributeStats Statistics for Attributes.
* @param isRuntime Whether the statistics is inferred from query stage
runtime statistics during
* adaptive query execution.
+ * @param mapOutputStatistics the map output statistics from query stage
runtime statistics during
+ * adaptive query execution.
*/
case class Statistics(
sizeInBytes: BigInt,
rowCount: Option[BigInt] = None,
attributeStats: AttributeMap[ColumnStat] = AttributeMap(Nil),
- isRuntime: Boolean = false) {
+ isRuntime: Boolean = false,
+ mapOutputStatistics: Option[MapOutputStatistics] = None) {
Review comment:
> We added a rule in AdaptiveSparkPlanExec to convert SMJ to SHJ
according to shuffle stats
This looks like a better idea. Do you want to open a PR for it?
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