[CORE] Creates vanilla plan when the join operators fall back

backends-clickhouse/src/main/scala/org/apache/gluten/backendsapi/clickhouse/CHBackend.scala

@@ -189,7 +189,6 @@ object CHBackendSettings extends BackendSettingsApi with Logging {
     }
   }
 
-  override def utilizeShuffledHashJoinHint(): Boolean = true
   override def supportShuffleWithProject(
       outputPartitioning: Partitioning,
       child: SparkPlan): Boolean = {

backends-clickhouse/src/test/scala/org/apache/gluten/execution/GlutenClickHouseTPCHNullableColumnarShuffleSuite.scala

@@ -17,7 +17,7 @@
 package org.apache.gluten.execution
 
 import org.apache.spark.SparkConf
-import org.apache.spark.sql.catalyst.optimizer.BuildLeft
+import org.apache.spark.sql.catalyst.optimizer.{BuildLeft, BuildRight}
 
 class GlutenClickHouseTPCHNullableColumnarShuffleSuite extends GlutenClickHouseTPCHAbstractSuite {
 
@@ -63,7 +63,11 @@ class GlutenClickHouseTPCHNullableColumnarShuffleSuite extends GlutenClickHouseT
           val shjBuildLeft = df.queryExecution.executedPlan.collect {
             case shj: ShuffledHashJoinExecTransformerBase if shj.joinBuildSide == BuildLeft => shj
           }
-          assert(shjBuildLeft.size == 2)
+          assert(shjBuildLeft.size == 1)
+          val shjBuildRight = df.queryExecution.executedPlan.collect {
+            case shj: ShuffledHashJoinExecTransformerBase if shj.joinBuildSide == BuildRight => shj
+          }
+          assert(shjBuildRight.size == 1)
       }
     }
   }

backends-clickhouse/src/test/scala/org/apache/gluten/execution/GlutenClickHouseTPCHNullableSuite.scala

@@ -20,7 +20,7 @@ import org.apache.gluten.GlutenConfig
 
 import org.apache.spark.SparkConf
 import org.apache.spark.sql.catalyst.expressions.Alias
-import org.apache.spark.sql.catalyst.optimizer.BuildLeft
+import org.apache.spark.sql.catalyst.optimizer.{BuildLeft, BuildRight}
 
 class GlutenClickHouseTPCHNullableSuite extends GlutenClickHouseTPCHAbstractSuite {
 
@@ -66,7 +66,11 @@ class GlutenClickHouseTPCHNullableSuite extends GlutenClickHouseTPCHAbstractSuit
           val shjBuildLeft = df.queryExecution.executedPlan.collect {
             case shj: ShuffledHashJoinExecTransformerBase if shj.joinBuildSide == BuildLeft => shj
           }
-          assert(shjBuildLeft.size == 2)
+          assert(shjBuildLeft.size == 1)
+          val shjBuildRight = df.queryExecution.executedPlan.collect {
+            case shj: ShuffledHashJoinExecTransformerBase if shj.joinBuildSide == BuildRight => shj
+          }
+          assert(shjBuildRight.size == 1)
       }
     }
   }

backends-clickhouse/src/test/scala/org/apache/gluten/execution/GlutenClickHouseTPCHSuite.scala

@@ -18,7 +18,7 @@ package org.apache.gluten.execution
 
 import org.apache.spark.SparkConf
 import org.apache.spark.sql.{Row, TestUtils}
-import org.apache.spark.sql.catalyst.optimizer.BuildLeft
+import org.apache.spark.sql.catalyst.optimizer.{BuildLeft, BuildRight}
 import org.apache.spark.sql.types.{DecimalType, StructType}
 
 // Some sqls' line length exceeds 100
@@ -73,7 +73,11 @@ class GlutenClickHouseTPCHSuite extends GlutenClickHouseTPCHAbstractSuite {
           val shjBuildLeft = df.queryExecution.executedPlan.collect {
             case shj: ShuffledHashJoinExecTransformerBase if shj.joinBuildSide == BuildLeft => shj
           }
-          assert(shjBuildLeft.size == 2)
+          assert(shjBuildLeft.size == 1)
+          val shjBuildRight = df.queryExecution.executedPlan.collect {
+            case shj: ShuffledHashJoinExecTransformerBase if shj.joinBuildSide == BuildRight => shj
+          }
+          assert(shjBuildRight.size == 1)
       }
     }
   }