caican00 commented on code in PR #42003:
URL: https://github.com/apache/spark/pull/42003#discussion_r1271294044
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sql/core/src/test/scala/org/apache/spark/sql/execution/adaptive/AdaptiveQueryExecSuite.scala:
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@@ -874,6 +875,96 @@ class AdaptiveQueryExecSuite
}
}
+ test("SPARK-44426: Optimize adaptive skew join for ExistenceJoin") {
+ withSQLConf(
+ SQLConf.AUTO_BROADCASTJOIN_THRESHOLD.key -> "-1",
+ SQLConf.COALESCE_PARTITIONS_MIN_PARTITION_NUM.key -> "1",
+ SQLConf.SHUFFLE_PARTITIONS.key -> "100",
+ SQLConf.SKEW_JOIN_SKEWED_PARTITION_THRESHOLD.key -> "800",
+ SQLConf.ADVISORY_PARTITION_SIZE_IN_BYTES.key -> "800") {
+ withTempView("skewData1", "skewData2", "skewData3", "skewData4") {
Review Comment:
> Can we simplify and clear the test a bit? We can make tests using one join
that one side is a skewed table and other side is not. Then we can switch it's
side to verify what happens if the skewed side is on left or right.
@ulysses-you Have been modified. Thanks for reviewing
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