dtenedor commented on code in PR #36445:
URL: https://github.com/apache/spark/pull/36445#discussion_r872649340
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala:
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@@ -1552,7 +1553,8 @@ class Analyzer(override val catalogManager:
CatalogManager)
private def resolveMergeExprOrFail(e: Expression, p: LogicalPlan):
Expression = {
val resolved = resolveExpressionByPlanChildren(e, p)
- resolved.references.filter(!_.resolved).foreach { a =>
+ resolved.references.filter { attribute: Attribute =>
+ !attribute.resolved && attribute.name != CURRENT_DEFAULT_COLUMN_NAME
}.foreach { a =>
Review Comment:
Good question. The `ResolveDefaultColumns` analysis rule exclusively handles
this case. I added a comment here and a new unit test case.
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