manuzhang commented on a change in pull request #27253: [SPARK-30524] [SQL]
follow up SPARK-30524 to resolve comments
URL: https://github.com/apache/spark/pull/27253#discussion_r368424224
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/adaptive/OptimizeSkewedJoin.scala
##########
@@ -247,9 +225,9 @@ case class OptimizeSkewedJoin(conf: SQLConf) extends
Rule[SparkPlan] {
if (shuffleStages.length == 2) {
// When multi table join, there will be too many complex combination to
consider.
// Currently we only handle 2 table join like following two use cases.
Review comment:
minor: only one case now
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