Github user srowen commented on a diff in the pull request: https://github.com/apache/spark/pull/19494#discussion_r144689325 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/columnar/InMemoryTableScanExec.scala --- @@ -104,7 +104,8 @@ case class InMemoryTableScanExec( case In(a: AttributeReference, list: Seq[Expression]) if list.forall(_.isInstanceOf[Literal]) => list.map(l => statsFor(a).lowerBound <= l.asInstanceOf[Literal] && - l.asInstanceOf[Literal] <= statsFor(a).upperBound).reduce(_ || _) + l.asInstanceOf[Literal] <= statsFor(a).upperBound) --- End diff -- I see. How does `.contains(true)` work then? or did that not work? I suppose all I mean is that we should write something that works on an empty list (returns false?) and also short-circuits (stops when anything is true). Is that possible?
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