ulysses-you commented on code in PR #40589:
URL: https://github.com/apache/spark/pull/40589#discussion_r1154046952
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sql/core/src/test/scala/org/apache/spark/sql/SparkSessionExtensionSuite.scala:
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@@ -1161,3 +1177,12 @@ object AddLimit extends Rule[LogicalPlan] {
case _ => Limit(Literal(1), plan)
}
}
+
+object FailWithAQEShuffleRead extends Rule[SparkPlan] {
Review Comment:
OK, thinking a new rule `RequireAtLeaseTwoPartitions` that would revert
`AQEShuffleReadExec` if it only has one partition.
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