xianyinxin commented on a change in pull request #26167: [SPARK-28893][SQL]
Support MERGE INTO in the parser and add the corresponding logical plan
URL: https://github.com/apache/spark/pull/26167#discussion_r343981566
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/v2Commands.scala
##########
@@ -296,6 +296,46 @@ case class UpdateTable(
override def children: Seq[LogicalPlan] = table :: Nil
}
+/**
+ * The logical plan of the MERGE INTO command that works for v2 tables.
+ */
+case class MergeIntoTable(
+ targetTable: LogicalPlan,
+ sourceTable: LogicalPlan,
+ mergeCondition: Expression,
+ matchedActions: Seq[MergeAction],
+ notMatchedActions: Seq[MergeAction]) extends Command with SupportsSubquery
{
+ override def children: Seq[LogicalPlan] =
+ Seq(targetTable, sourceTable) ++ Nil
+ override def output: Seq[Attribute] = Seq.empty
Review comment:
done
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