Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/19714#discussion_r153583900
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkStrategies.scala ---
@@ -153,6 +151,27 @@ abstract class SparkStrategies extends
QueryPlanner[SparkPlan] {
// --- BroadcastHashJoin
--------------------------------------------------------------------
+ case ExtractEquiJoinKeys(joinType, leftKeys, rightKeys, condition,
left, right)
+ if canBuildRight(joinType) && canBuildLeft(joinType)
+ && left.stats.hints.broadcast && right.stats.hints.broadcast =>
--- End diff --
```Scala
if canBuildRight(joinType) && canBuildLeft(joinType)
&& (left.stats.hints.broadcast || right.stats.hints.broadcast) =>
```
Can you combine these three cases?
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