diff --git a/dev/diffs/3.4.2.diff b/dev/diffs/3.4.2.diff
index b571cd2b5e..74449c7890 100644
--- a/dev/diffs/3.4.2.diff
+++ b/dev/diffs/3.4.2.diff
@@ -932,17 +932,19 @@ index d083cac48ff..43057eb251b 100644
    import testImplicits._
  
 diff --git a/sql/core/src/test/scala/org/apache/spark/sql/sources/BucketedReadSuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/sources/BucketedReadSuite.scala
-index 266bb343526..85ec36db996 100644
+index 266bb343526..02b8763ad92 100644
 --- a/sql/core/src/test/scala/org/apache/spark/sql/sources/BucketedReadSuite.scala
 +++ b/sql/core/src/test/scala/org/apache/spark/sql/sources/BucketedReadSuite.scala
-@@ -24,6 +24,7 @@ import org.apache.spark.sql.catalyst.catalog.BucketSpec
+@@ -24,7 +24,8 @@ import org.apache.spark.sql.catalyst.catalog.BucketSpec
  import org.apache.spark.sql.catalyst.expressions
  import org.apache.spark.sql.catalyst.expressions._
  import org.apache.spark.sql.catalyst.plans.physical.HashPartitioning
+-import org.apache.spark.sql.execution.{FileSourceScanExec, SortExec, SparkPlan}
 +import org.apache.spark.sql.comet._
- import org.apache.spark.sql.execution.{FileSourceScanExec, SortExec, SparkPlan}
++import org.apache.spark.sql.execution.{ColumnarToRowExec, FileSourceScanExec, SortExec, SparkPlan}
  import org.apache.spark.sql.execution.adaptive.{AdaptiveSparkPlanExec, AdaptiveSparkPlanHelper, DisableAdaptiveExecution}
  import org.apache.spark.sql.execution.datasources.BucketingUtils
+ import org.apache.spark.sql.execution.exchange.ShuffleExchangeExec
 @@ -101,12 +102,20 @@ abstract class BucketedReadSuite extends QueryTest with SQLTestUtils with Adapti
      }
    }
@@ -976,7 +978,35 @@ index 266bb343526..85ec36db996 100644
  
            val bucketColumnType = bucketedDataFrame.schema.apply(bucketColumnIndex).dataType
            val rowsWithInvalidBuckets = fileScan.execute().filter(row => {
-@@ -461,18 +471,29 @@ abstract class BucketedReadSuite extends QueryTest with SQLTestUtils with Adapti
+@@ -451,28 +461,53 @@ abstract class BucketedReadSuite extends QueryTest with SQLTestUtils with Adapti
+         val joinOperator = if (joined.sqlContext.conf.adaptiveExecutionEnabled) {
+           val executedPlan =
+             joined.queryExecution.executedPlan.asInstanceOf[AdaptiveSparkPlanExec].executedPlan
+-          assert(executedPlan.isInstanceOf[SortMergeJoinExec])
+-          executedPlan.asInstanceOf[SortMergeJoinExec]
++          executedPlan match {
++            case s: SortMergeJoinExec => s
++            case b: CometExec =>
++              b.originalPlan match {
++                case s: SortMergeJoinExec => s
++                case o => fail(s"expected SortMergeJoinExec, but found\n$o")
++              }
++            case o => fail(s"expected SortMergeJoinExec, but found\n$o")
++          }
+         } else {
+           val executedPlan = joined.queryExecution.executedPlan
+-          assert(executedPlan.isInstanceOf[SortMergeJoinExec])
+-          executedPlan.asInstanceOf[SortMergeJoinExec]
++          executedPlan match {
++            case s: SortMergeJoinExec => s
++            case ColumnarToRowExec(child) =>
++              child.asInstanceOf[CometExec].originalPlan match {
++                case s: SortMergeJoinExec => s
++                case o => fail(s"expected SortMergeJoinExec, but found\n$o")
++              }
++            case o => fail(s"expected SortMergeJoinExec, but found\n$o")
++          }
+         }
  
          // check existence of shuffle
          assert(
@@ -1010,7 +1040,7 @@ index 266bb343526..85ec36db996 100644
            s"expected sort in the right child to be $sortRight but found\n${joinOperator.right}")
  
          // check the output partitioning
-@@ -835,11 +856,11 @@ abstract class BucketedReadSuite extends QueryTest with SQLTestUtils with Adapti
+@@ -835,11 +870,11 @@ abstract class BucketedReadSuite extends QueryTest with SQLTestUtils with Adapti
        df1.write.format("parquet").bucketBy(8, "i").saveAsTable("bucketed_table")
  
        val scanDF = spark.table("bucketed_table").select("j")
@@ -1024,7 +1054,7 @@ index 266bb343526..85ec36db996 100644
        checkAnswer(aggDF, df1.groupBy("j").agg(max("k")))
      }
    }
-@@ -1031,10 +1052,16 @@ abstract class BucketedReadSuite extends QueryTest with SQLTestUtils with Adapti
+@@ -1031,10 +1066,16 @@ abstract class BucketedReadSuite extends QueryTest with SQLTestUtils with Adapti
  
            val scans = plan.collect {
              case f: FileSourceScanExec if f.optionalNumCoalescedBuckets.isDefined => f