Github user ioana-delaney commented on a diff in the pull request: https://github.com/apache/spark/pull/17546#discussion_r110988847 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/StarSchemaDetection.scala --- @@ -76,7 +76,7 @@ case class StarSchemaDetection(conf: SQLConf) extends PredicateHelper { val emptyStarJoinPlan = Seq.empty[LogicalPlan] - if (!conf.starSchemaDetection || input.size < 2) { + if (input.size < 2) { --- End diff -- Removed unnecessary call to conf.starSchemaDetection.
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