Github user mgaido91 commented on a diff in the pull request:
https://github.com/apache/spark/pull/19494#discussion_r144690815
--- 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 --
It was a mistake, sorry. It returned always `false`.
I see what you mean, but in this piece of code we are only building the
`Expression` and we are not evaluating it. Thus it is not possible to
short-circuit, because the `Expression` must be built entirely.
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