cloud-fan commented on code in PR #50967:
URL: https://github.com/apache/spark/pull/50967#discussion_r2102780173
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/higherOrderFunctions.scala:
##########
@@ -1124,23 +1124,40 @@ case class MapZipWith(left: Expression, right:
Expression, function: Expression)
private def getKeysWithIndexesFast(keys1: ArrayData, keys2: ArrayData) = {
val hashMap = new mutable.LinkedHashMap[Any, Array[Option[Int]]]
+ val NaNTracker = Array[Option[Int]](None, None)
for ((z, array) <- Array((0, keys1), (1, keys2))) {
var i = 0
while (i < array.numElements()) {
val key = array.get(i, keyType)
- hashMap.get(key) match {
- case Some(indexes) =>
- if (indexes(z).isEmpty) {
- indexes(z) = Some(i)
+ keyType match {
+ case FloatType if key.asInstanceOf[Float].isNaN =>
+ NaNTracker(z) = Some(i)
+ case DoubleType if key.asInstanceOf[Double].isNaN =>
+ NaNTracker(z) = Some(i)
+ case _ =>
+ hashMap.get(key) match {
+ case Some(indexes) =>
+ if (indexes(z).isEmpty) {
+ indexes(z) = Some(i)
+ }
+ case None =>
+ val indexes = Array[Option[Int]](None, None)
+ indexes(z) = Some(i)
+ hashMap.put(key, indexes)
}
- case None =>
- val indexes = Array[Option[Int]](None, None)
- indexes(z) = Some(i)
- hashMap.put(key, indexes)
Review Comment:
The idea is to use the same NaN instance, so that the hash map can work out
of the box.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org
