rdblue commented on a change in pull request #2189:
URL: https://github.com/apache/iceberg/pull/2189#discussion_r568777883
##########
File path:
spark3-extensions/src/main/scala/org/apache/spark/sql/catalyst/optimizer/RewriteMergeInto.scala
##########
@@ -68,6 +70,37 @@ case class RewriteMergeInto(spark: SparkSession) extends
Rule[LogicalPlan] with
override def apply(plan: LogicalPlan): LogicalPlan = {
plan resolveOperators {
+ case MergeIntoTable(target: DataSourceV2Relation, source, cond,
matchedActions, notMatchedActions)
+ if matchedActions.isEmpty && notMatchedActions.size == 1 &&
isIcebergRelation(target) =>
+
+ val targetTableScan = buildSimpleScanPlan(target, cond)
+
+ val insertAction = notMatchedActions match {
Review comment:
I think this could be `notMatchedActions.head`.
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