ulysses-you commented on a change in pull request #32355:
URL: https://github.com/apache/spark/pull/32355#discussion_r680923147
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File path: sql/core/src/test/scala/org/apache/spark/sql/JoinHintSuite.scala
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@@ -597,4 +597,68 @@ class JoinHintSuite extends PlanTest with
SharedSparkSession with AdaptiveSparkP
assert(df9.collect().size == df10.collect().size)
}
}
+
+ test("SPARK-35221: Add join hint build side check") {
+ withSQLConf(SQLConf.AUTO_BROADCASTJOIN_THRESHOLD.key -> "-1",
+ SQLConf.PREFER_SORTMERGEJOIN.key -> "true") {
+ Seq("left_outer", "left_semi", "left_anti").foreach { joinType =>
+ val hintAppender = new LogAppender(s"join hint build side check for
$joinType")
+ withLogAppender(hintAppender, level = Some(Level.WARN)) {
+ assertShuffleMergeJoin(
+ df1.hint("BROADCAST").join(df2, $"a1" === $"b1", joinType))
+ assertBroadcastHashJoin(
+ df1.join(df2.hint("BROADCAST"), $"a1" === $"b1", joinType),
BuildRight)
+
+ assertShuffleMergeJoin(
+ df1.hint("SHUFFLE_HASH").join(df2, $"a1" === $"b1", joinType))
+ assertShuffleHashJoin(
+ df1.join(df2.hint("SHUFFLE_HASH"), $"a1" === $"b1", joinType),
BuildRight)
+ }
+
+ val logs = hintAppender.loggingEvents.map(_.getRenderedMessage)
+ .filter(_.startsWith("A join hint"))
Review comment:
thank you @HyukjinKwon , agree. Change to `assert(logs.nonEmpty)` that
ensure `logs.forall` works.
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