c21 commented on a change in pull request #31632:
URL: https://github.com/apache/spark/pull/31632#discussion_r581682146
##########
File path:
sql/hive/src/main/scala/org/apache/spark/sql/hive/client/HiveShim.scala
##########
@@ -769,7 +769,8 @@ private[client] class Shim_v0_13 extends Shim_v0_12 {
case InSet(child, values) if useAdvanced && values.size > inSetThreshold
=>
val dataType = child.dataType
- val sortedValues =
values.toSeq.sorted(TypeUtils.getInterpretedOrdering(dataType))
+ val sortedValues = values.filter(_ != null).toSeq
Review comment:
Shall we add a similar comment for why this is safe, similar to `IN` -
https://github.com/apache/spark/pull/21832 ?
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