szehon-ho commented on code in PR #52866:
URL: https://github.com/apache/spark/pull/52866#discussion_r2492415455
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala:
##########
@@ -1749,7 +1749,8 @@ class Analyzer(override val catalogManager:
CatalogManager) extends RuleExecutor
m.copy(mergeCondition = resolvedMergeCondition,
matchedActions = newMatchedActions,
notMatchedActions = newNotMatchedActions,
- notMatchedBySourceActions = newNotMatchedBySourceActions)
+ notMatchedBySourceActions = newNotMatchedBySourceActions,
+ originalSourceActions = newMatchedActions ++
newNotMatchedActions)
Review Comment:
Hm, i tried `referencedSchema`. However, it tries to call the schema method
a bit too early, before the "stars" are resolved:
```
[INTERNAL_ERROR] Invalid call to toAttribute on unresolved object SQLSTATE:
XX000
org.apache.spark.sql.catalyst.analysis.UnresolvedException: [INTERNAL_ERROR]
Invalid call to toAttribute on unresolved object SQLSTATE: XX000
at
org.apache.spark.sql.catalyst.analysis.Star.toAttribute(unresolved.scala:460)
at
org.apache.spark.sql.catalyst.analysis.Star.toAttribute$(unresolved.scala:460)
at
org.apache.spark.sql.catalyst.analysis.UnresolvedStar.toAttribute(unresolved.scala:864)
at
org.apache.spark.sql.catalyst.plans.logical.Project.$anonfun$output$1(basicLogicalOperators.scala:75)
at scala.collection.immutable.List.map(List.scala:236)
at scala.collection.immutable.List.map(List.scala:79)
at
org.apache.spark.sql.catalyst.plans.logical.Project.output(basicLogicalOperators.scala:75)
at
org.apache.spark.sql.catalyst.plans.logical.SubqueryAlias.output(basicLogicalOperators.scala:1739)
at
org.apache.spark.sql.catalyst.plans.QueryPlan.$anonfun$_schema$1(QueryPlan.scala:467)
at
org.apache.spark.util.BestEffortLazyVal.apply(BestEffortLazyVal.scala:53)
at
org.apache.spark.sql.catalyst.plans.QueryPlan.schema(QueryPlan.scala:464)
at
org.apache.spark.sql.catalyst.plans.logical.MergeIntoTable$.apply(v2Commands.scala:939)
at
org.apache.spark.sql.catalyst.parser.AstBuilder.$anonfun$visitMergeIntoTable$1(AstBuilder.scala:1152)
```
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