[GitHub] [spark] aokolnychyi commented on a change in pull request #35395: [SPARK-38085][SQL] DataSource V2: Handle DELETE commands for group-based sources

[GitBox <gi...@apache.org>]

aokolnychyi commented on a change in pull request #35395:
URL: https://github.com/apache/spark/pull/35395#discussion_r822067184



##########
File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/v2Commands.scala
##########
@@ -446,17 +501,52 @@ object DescribeColumn {
   def getOutputAttrs: Seq[Attribute] = DescribeCommandSchema.describeColumnAttributes()
 }
 
+trait RowLevelCommand extends Command with SupportsSubquery {
+  def condition: Expression
+  def rewritePlan: Option[LogicalPlan]
+  def withNewRewritePlan(newRewritePlan: LogicalPlan): RowLevelCommand
+}
+
 /**
  * The logical plan of the DELETE FROM command.
  */
 case class DeleteFromTable(
     table: LogicalPlan,
-    condition: Option[Expression]) extends UnaryCommand with SupportsSubquery {
-  override def child: LogicalPlan = table
-  override protected def withNewChildInternal(newChild: LogicalPlan): DeleteFromTable =
-    copy(table = newChild)
+    condition: Expression,

Review comment:
       Yeah, I can make a separate PR for this if everyone is OK.




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