(REBASE ME) Abstracting HoodieLogicalRelation in hudi-spark3-common

Author: Alexey Kudinkin

hudi-spark-datasource/hudi-spark/src/main/scala/org/apache/spark/sql/hudi/analysis/HoodieAnalysis.scala

@@ -134,6 +134,7 @@ object HoodieAnalysis extends SparkAdapterSupport {
   }
 }
 
+// TODO elaborate
 // TODO call out that can use Project in Spark 3.2+
 object ResolveHoodieLogicalRelations extends Rule[LogicalPlan] {
   private val hudiLogicalRelationTag: TreeNodeTag[Boolean] = TreeNodeTag("__hudi_logical_relation")
@@ -150,6 +151,7 @@ object ResolveHoodieLogicalRelations extends Rule[LogicalPlan] {
     }
 }
 
+// TODO elaborate
 object FoldHoodieLogicalRelations extends Rule[LogicalPlan] {
   override def apply(plan: LogicalPlan): LogicalPlan =
     plan.transformDown {

…lans/logical/HoodieLogicalRelation.scala …lans/logical/HoodieLogicalRelation.scalahudi-spark-datasource/hudi-spark-common/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/HoodieLogicalRelation.scala renamed to hudi-spark-datasource/hudi-spark3-common/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/HoodieLogicalRelation.scala hudi-spark-datasource/hudi-spark-common/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/HoodieLogicalRelation.scala renamed to hudi-spark-datasource/hudi-spark3-common/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/HoodieLogicalRelation.scala

@@ -29,7 +29,9 @@ import org.apache.spark.sql.execution.datasources.LogicalRelation
 import scala.collection.JavaConverters._
 
 // TODO elaborate
-case class HoodieLogicalRelation(override val child: LogicalRelation) extends UnaryNode with MultiInstanceRelation {
+case class HoodieLogicalRelation(override val child: LogicalRelation) extends UnaryNode
+  with MultiInstanceRelation
+  with HoodieUnaryLikeSham[LogicalPlan] {
 
   val targetTable: CatalogTable = resolveHudiTable(child) match {
     case Some(table) => table