beliefer commented on code in PR #50636:
URL: https://github.com/apache/spark/pull/50636#discussion_r2050235989
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/joins.scala:
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@@ -293,19 +293,19 @@ trait JoinSelectionHelper extends Logging {
join: Join,
hintOnly: Boolean,
conf: SQLConf): Option[BuildSide] = {
- val buildLeft = if (hintOnly) {
+ lazy val buildLeft = if (hintOnly) {
hintToBroadcastLeft(join.hint)
} else {
canBroadcastBySize(join.left, conf) && !hintToNotBroadcastLeft(join.hint)
}
- val buildRight = if (hintOnly) {
+ lazy val buildRight = if (hintOnly) {
hintToBroadcastRight(join.hint)
} else {
canBroadcastBySize(join.right, conf) &&
!hintToNotBroadcastRight(join.hint)
}
getBuildSide(
- buildLeft && canBuildBroadcastLeft(join.joinType),
- buildRight && canBuildBroadcastRight(join.joinType),
+ canBuildBroadcastLeft(join.joinType) && buildLeft,
Review Comment:
Seems good to me.
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