Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/12730#discussion_r61282299
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/joins/BroadcastHashJoinExec.scala
---
@@ -351,11 +359,12 @@ case class BroadcastHashJoinExec(
*/
private def codegenAnti(ctx: CodegenContext, input: Seq[ExprCode]):
String = {
val (broadcastRelation, relationTerm) = prepareBroadcast(ctx)
+ val uniqueKeyCodePath = broadcastRelation.value.keyIsUnique
val (keyEv, anyNull) = genStreamSideJoinKey(ctx, input)
- val (matched, checkCondition, _) = getJoinCondition(ctx, input)
+ val (matched, checkCondition, _) = getJoinCondition(ctx, input,
uniqueKeyCodePath)
--- End diff --
checkCondition is also used by non-unique-key
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