tdas commented on a change in pull request #32067:
URL: https://github.com/apache/spark/pull/32067#discussion_r608231453
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/v2Commands.scala
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@@ -404,8 +404,17 @@ case class MergeIntoTable(
mergeCondition: Expression,
matchedActions: Seq[MergeAction],
notMatchedActions: Seq[MergeAction]) extends BinaryCommand with
SupportsSubquery {
+
+ override lazy val resolved: Boolean = {
Review comment:
this fixes another bug where a merge plan with star and no other
expressions with unresolved attributes (e.g. all non-optional predicates are
`literal(true)`), then the resolution will be skipped and the star won't be
expanded. added test for that.
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