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Posted to reviews@spark.apache.org by "cloud-fan (via GitHub)" <gi...@apache.org> on 2023/09/18 16:00:29 UTC

[GitHub] [spark] cloud-fan opened a new pull request, #42983: [SPARK-45203][SQL][TEST] Join tests in KeyGroupedPartitioningSuite should use merge join hint

cloud-fan opened a new pull request, #42983:
URL: https://github.com/apache/spark/pull/42983

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   It's more robust to use join hints to enforce sort-merge join in the tests, instead of setting configs which may be ineffective after more advanced optimizations in the future.
   
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   make tests more future-proof
   
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   no
   
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   N/A
   
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[GitHub] [spark] cloud-fan commented on a diff in pull request #42983: [SPARK-45203][SQL][TEST] Join tests in KeyGroupedPartitioningSuite should use merge join hint

Posted by "cloud-fan (via GitHub)" <gi...@apache.org>.
cloud-fan commented on code in PR #42983:
URL: https://github.com/apache/spark/pull/42983#discussion_r1328961764


##########
sql/core/src/test/scala/org/apache/spark/sql/connector/KeyGroupedPartitioningSuite.scala:
##########
@@ -1252,27 +1200,21 @@ class KeyGroupedPartitioningSuite extends DistributionAndOrderingSuiteBase {
               partiallyClusteredEnabled.toString) {
 
           // join keys are not the same as the partition keys, therefore SPJ is not triggered.
-          val df = sql(
-            s"""
-               SELECT id, name, i.price as purchase_price, p.item_id, p.price as sale_price
-               FROM testcat.ns.$items i JOIN testcat.ns.$purchases p
-               ON i.arrive_time = p.time ORDER BY id, purchase_price, p.item_id, sale_price
-               """)
-
+          val df = createJoinTestDF(Seq("arrive_time" -> "time"), extraColumns = Seq("p.item_id"))

Review Comment:
   I switched the output column order here (p.item_id becomes the last column), so the test result changed.



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[GitHub] [spark] cloud-fan commented on a diff in pull request #42983: [SPARK-45203][SQL][TEST] Join tests in KeyGroupedPartitioningSuite should use merge join hint

Posted by "cloud-fan (via GitHub)" <gi...@apache.org>.
cloud-fan commented on code in PR #42983:
URL: https://github.com/apache/spark/pull/42983#discussion_r1328962488


##########
sql/core/src/test/scala/org/apache/spark/sql/connector/KeyGroupedPartitioningSuite.scala:
##########
@@ -1451,12 +1399,7 @@ class KeyGroupedPartitioningSuite extends DistributionAndOrderingSuiteBase {
                 partiallyClustered.toString,
             SQLConf.V2_BUCKETING_ALLOW_JOIN_KEYS_SUBSET_OF_PARTITION_KEYS.key ->
                 allowJoinKeysSubsetOfPartitionKeys.toString) {
-            val df = sql("SELECT id, name, i.price as purchase_price, " +
-                "p.item_id, p.price as sale_price " +
-                s"FROM testcat.ns.$items i JOIN testcat.ns.$purchases p " +
-                "ON i.arrive_time = p.time " +
-                "ORDER BY id, purchase_price, p.item_id, sale_price")
-
+            val df = createJoinTestDF(Seq("arrive_time" -> "time"), extraColumns = Seq("p.item_id"))

Review Comment:
   ditto



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[GitHub] [spark] cloud-fan commented on a diff in pull request #42983: [SPARK-45203][SQL][TEST] Join tests in KeyGroupedPartitioningSuite should use merge join hint

Posted by "cloud-fan (via GitHub)" <gi...@apache.org>.
cloud-fan commented on code in PR #42983:
URL: https://github.com/apache/spark/pull/42983#discussion_r1328961764


##########
sql/core/src/test/scala/org/apache/spark/sql/connector/KeyGroupedPartitioningSuite.scala:
##########
@@ -1252,27 +1200,21 @@ class KeyGroupedPartitioningSuite extends DistributionAndOrderingSuiteBase {
               partiallyClusteredEnabled.toString) {
 
           // join keys are not the same as the partition keys, therefore SPJ is not triggered.
-          val df = sql(
-            s"""
-               SELECT id, name, i.price as purchase_price, p.item_id, p.price as sale_price
-               FROM testcat.ns.$items i JOIN testcat.ns.$purchases p
-               ON i.arrive_time = p.time ORDER BY id, purchase_price, p.item_id, sale_price
-               """)
-
+          val df = createJoinTestDF(Seq("arrive_time" -> "time"), extraColumns = Seq("p.item_id"))

Review Comment:
   I switched the output column order here, so the test result changed.



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[GitHub] [spark] dongjoon-hyun closed pull request #42983: [SPARK-45203][SQL][TEST] Join tests in KeyGroupedPartitioningSuite should use merge join hint

Posted by "dongjoon-hyun (via GitHub)" <gi...@apache.org>.
dongjoon-hyun closed pull request #42983: [SPARK-45203][SQL][TEST] Join tests in KeyGroupedPartitioningSuite should use merge join hint
URL: https://github.com/apache/spark/pull/42983


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[GitHub] [spark] dongjoon-hyun commented on a diff in pull request #42983: [SPARK-45203][SQL][TEST] Join tests in KeyGroupedPartitioningSuite should use merge join hint

Posted by "dongjoon-hyun (via GitHub)" <gi...@apache.org>.
dongjoon-hyun commented on code in PR #42983:
URL: https://github.com/apache/spark/pull/42983#discussion_r1328966616


##########
sql/core/src/test/scala/org/apache/spark/sql/connector/KeyGroupedPartitioningSuite.scala:
##########
@@ -44,25 +45,9 @@ class KeyGroupedPartitioningSuite extends DistributionAndOrderingSuiteBase {
     UnboundBucketFunction,
     UnboundTruncateFunction)
 
-  private var originalV2BucketingEnabled: Boolean = false
-  private var originalAutoBroadcastJoinThreshold: Long = -1
-
-  override def beforeAll(): Unit = {
-    super.beforeAll()
-    originalV2BucketingEnabled = conf.getConf(V2_BUCKETING_ENABLED)
-    conf.setConf(V2_BUCKETING_ENABLED, true)
-    originalAutoBroadcastJoinThreshold = conf.getConf(AUTO_BROADCASTJOIN_THRESHOLD)
-    conf.setConf(AUTO_BROADCASTJOIN_THRESHOLD, -1L)
-  }
-
-  override def afterAll(): Unit = {
-    try {
-      super.afterAll()
-    } finally {
-      conf.setConf(V2_BUCKETING_ENABLED, originalV2BucketingEnabled)
-      conf.setConf(AUTO_BROADCASTJOIN_THRESHOLD, originalAutoBroadcastJoinThreshold)
-    }
-  }
+  override def sparkConf: SparkConf = super.sparkConf
+    .set(V2_BUCKETING_ENABLED, true)

Review Comment:
   +1. Yes, this looks simpler.



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[GitHub] [spark] dongjoon-hyun commented on pull request #42983: [SPARK-45203][SQL][TEST] Join tests in KeyGroupedPartitioningSuite should use merge join hint

Posted by "dongjoon-hyun (via GitHub)" <gi...@apache.org>.
dongjoon-hyun commented on PR #42983:
URL: https://github.com/apache/spark/pull/42983#issuecomment-1723825998

   Also, cc @sunchao , too.


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[GitHub] [spark] dongjoon-hyun commented on pull request #42983: [SPARK-45203][SQL][TEST] Join tests in KeyGroupedPartitioningSuite should use merge join hint

Posted by "dongjoon-hyun (via GitHub)" <gi...@apache.org>.
dongjoon-hyun commented on PR #42983:
URL: https://github.com/apache/spark/pull/42983#issuecomment-1723823444

   Thank you for pinging me, @cloud-fan .


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[GitHub] [spark] cloud-fan commented on a diff in pull request #42983: [SPARK-45203][SQL][TEST] Join tests in KeyGroupedPartitioningSuite should use merge join hint

Posted by "cloud-fan (via GitHub)" <gi...@apache.org>.
cloud-fan commented on code in PR #42983:
URL: https://github.com/apache/spark/pull/42983#discussion_r1328953373


##########
sql/core/src/test/scala/org/apache/spark/sql/connector/KeyGroupedPartitioningSuite.scala:
##########
@@ -44,25 +45,9 @@ class KeyGroupedPartitioningSuite extends DistributionAndOrderingSuiteBase {
     UnboundBucketFunction,
     UnboundTruncateFunction)
 
-  private var originalV2BucketingEnabled: Boolean = false
-  private var originalAutoBroadcastJoinThreshold: Long = -1
-
-  override def beforeAll(): Unit = {
-    super.beforeAll()
-    originalV2BucketingEnabled = conf.getConf(V2_BUCKETING_ENABLED)
-    conf.setConf(V2_BUCKETING_ENABLED, true)
-    originalAutoBroadcastJoinThreshold = conf.getConf(AUTO_BROADCASTJOIN_THRESHOLD)
-    conf.setConf(AUTO_BROADCASTJOIN_THRESHOLD, -1L)
-  }
-
-  override def afterAll(): Unit = {
-    try {
-      super.afterAll()
-    } finally {
-      conf.setConf(V2_BUCKETING_ENABLED, originalV2BucketingEnabled)
-      conf.setConf(AUTO_BROADCASTJOIN_THRESHOLD, originalAutoBroadcastJoinThreshold)
-    }
-  }
+  override def sparkConf: SparkConf = super.sparkConf
+    .set(V2_BUCKETING_ENABLED, true)

Review Comment:
   not quite related, but this is a much simpler way to set per-suite configs.



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[GitHub] [spark] cloud-fan commented on pull request #42983: [SPARK-45203][SQL][TEST] Join tests in KeyGroupedPartitioningSuite should use merge join hint

Posted by "cloud-fan (via GitHub)" <gi...@apache.org>.
cloud-fan commented on PR #42983:
URL: https://github.com/apache/spark/pull/42983#issuecomment-1723821825

   cc @viirya @dongjoon-hyun 


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[GitHub] [spark] dongjoon-hyun commented on pull request #42983: [SPARK-45203][SQL][TEST] Join tests in KeyGroupedPartitioningSuite should use merge join hint

Posted by "dongjoon-hyun (via GitHub)" <gi...@apache.org>.
dongjoon-hyun commented on PR #42983:
URL: https://github.com/apache/spark/pull/42983#issuecomment-1724190265

   Merged to master for Apache Spark 4.0.0.


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