rdblue commented on a change in pull request #3661:
URL: https://github.com/apache/iceberg/pull/3661#discussion_r764349789
##########
File path:
spark/v3.2/spark-extensions/src/main/scala/org/apache/spark/sql/execution/datasources/v2/ExtendedV2Writes.scala
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@@ -90,6 +93,14 @@ object ExtendedV2Writes extends Rule[LogicalPlan] with
PredicateHelper {
}
val newQuery = ExtendedDistributionAndOrderingUtils.prepareQuery(write,
query, conf)
o.copy(write = Some(write), query = newQuery)
+
+ case rd @ ReplaceData(r: DataSourceV2Relation, query, _, None) =>
+ val rowSchema = StructType.fromAttributes(rd.dataInput)
Review comment:
Why not use `r.output`, the write relation's schema? That's what we do
for normal writes isn't it? Should we just apply the `ResolveOutputRelation`
rule?
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