bryanck commented on code in PR #13979:
URL: https://github.com/apache/iceberg/pull/13979#discussion_r2927471164
##########
spark/v4.1/spark-extensions/src/main/scala/org/apache/spark/sql/catalyst/analysis/ResolveViews.scala:
##########
@@ -102,12 +150,21 @@ case class ResolveViews(spark: SparkSession) extends
Rule[LogicalPlan] with Look
}
}
- private def createViewRelation(nameParts: Seq[String], view: View):
LogicalPlan = {
+ private def createViewRelation(
+ nameParts: Seq[String],
+ view: View,
+ existingChain: Option[Seq[Seq[String]]] = None): LogicalPlan = {
val parsed = parseViewText(nameParts.quoted, view.query)
// Apply any necessary rewrites to preserve correct resolution
val viewCatalogAndNamespace: Seq[String] = view.currentCatalog +:
view.currentNamespace.toSeq
- val rewritten = rewriteIdentifiers(parsed, viewCatalogAndNamespace);
+ // Build the view chain: prepend existing chain (from outer views) with
the current view
+ val currentViewParts = viewCatalogAndNamespace ++ Seq(nameParts.last)
Review Comment:
Also, if a nested view or table is using a different catalog, perhaps we
should filter those out or have some solution to handle that case. For example,
say you have a view `test.bkeller.myview` that selects from a table
`prod.bkeller.mytable`. The catalog will only get the reference
`bkeller.myview` so it can't disambiguate if there is also a view
`prod.bkeller.myview`.
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