vladimirg-db commented on code in PR #50555:
URL: https://github.com/apache/spark/pull/50555#discussion_r2042241844


##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/resolver/ViewResolver.scala:
##########
@@ -101,14 +108,16 @@ class ViewResolver(resolver: Resolver, catalogManager: 
CatalogManager)
       val prevContext = if (viewResolutionContextStack.isEmpty()) {
         ViewResolutionContext(
           nestedViewDepth = 0,
-          maxNestedViewDepth = conf.maxNestedViewDepth
+          maxNestedViewDepth = conf.maxNestedViewDepth,
+          catalogAndNamespace = unresolvedView.desc.viewCatalogAndNamespace

Review Comment:
   This duplication will quickly get annoying, let's not do that.



##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/resolver/BridgedRelationId.scala:
##########
@@ -0,0 +1,31 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.spark.sql.catalyst.analysis.resolver
+
+import org.apache.spark.sql.catalyst.analysis.UnresolvedRelation
+
+/**
+ * The [[BridgedRelationId]] is a unique identifier for an unresolved relation 
in the whole logical
+ * plan including all the nested views. It is used to lookup relations with 
resolved metadata which
+ * were processed by the fixed-point. Storing [[catalogAndNamespace]] is 
required to differentiate

Review Comment:
   ```suggestion
    * were processed by the fixed-point when running two Analyzers in dual-run 
mode. Storing [[catalogAndNamespace]] is required to differentiate
   ```



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