linzebing commented on a change in pull request #31931:
URL: https://github.com/apache/spark/pull/31931#discussion_r599135275
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/joins/BroadcastNestedLoopJoinExec.scala
##########
@@ -458,6 +460,41 @@ case class BroadcastNestedLoopJoinExec(
""".stripMargin
}
+ private def codegenOuter(ctx: CodegenContext, input: Seq[ExprCode]): String
= {
+ val (_, buildRowArrayTerm) = prepareBroadcast(ctx)
+ val (buildRow, checkCondition, _) = getJoinCondition(ctx, input, streamed,
broadcast)
+ val buildVars = genBuildSideVars(ctx, buildRow, broadcast)
+
+ val resultVars = buildSide match {
+ case BuildLeft => buildVars ++ input
+ case BuildRight => input ++ buildVars
+ }
+ val arrayIndex = ctx.freshName("arrayIndex")
+ val shouldOutputRow = ctx.freshName("shouldOutputRow")
+ val foundMatch = ctx.freshName("foundMatch")
+ val numOutput = metricTerm(ctx, "numOutputRows")
+
+ s"""
+ |boolean $foundMatch = false;
+ |for (int $arrayIndex = 0; $arrayIndex < $buildRowArrayTerm.length;
$arrayIndex++) {
Review comment:
Yes, you are right. Let me address this.
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