[SPARK-50638][SQL] Refactor the view resolution into the separate fil…

…e to reuse it in the single-pass Analyzer

### What changes were proposed in this pull request?

Refactor the view resolution into the separate file to reuse it in the single-pass Analyzer.

### Why are the changes needed?

To reuse this code from the single-pass Analyzer.

### Does this PR introduce _any_ user-facing change?

No.

### How was this patch tested?

Existing tests.

### Was this patch authored or co-authored using generative AI tooling?

No.

Closes apache#49255 from vladimirg-db/vladimirg-db/refactor-view-resolution-to-a-separate-file.

Authored-by: Vladimir Golubev <vladimir.golubev@databricks.com>
Signed-off-by: Max Gekk <max.gekk@gmail.com>

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala

@@ -1036,26 +1036,9 @@ class Analyzer(override val catalogManager: CatalogManager) extends RuleExecutor
     // If `AnalysisContext.catalogAndNamespace` is non-empty, analyzer will expand single-part names
     // with it, instead of current catalog and namespace.
     private def resolveViews(plan: LogicalPlan): LogicalPlan = plan match {
-      // The view's child should be a logical plan parsed from the `desc.viewText`, the variable
-      // `viewText` should be defined, or else we throw an error on the generation of the View
-      // operator.
-      case view @ View(desc, isTempView, child) if !child.resolved =>
-        // Resolve all the UnresolvedRelations and Views in the child.
-        val newChild = AnalysisContext.withAnalysisContext(desc) {
-          val nestedViewDepth = AnalysisContext.get.nestedViewDepth
-          val maxNestedViewDepth = AnalysisContext.get.maxNestedViewDepth
-          if (nestedViewDepth > maxNestedViewDepth) {
-            throw QueryCompilationErrors.viewDepthExceedsMaxResolutionDepthError(
-              desc.identifier, maxNestedViewDepth, view)
-          }
-          SQLConf.withExistingConf(View.effectiveSQLConf(desc.viewSQLConfigs, isTempView)) {
-            executeSameContext(child)
-          }
-        }
-        // Fail the analysis eagerly because outside AnalysisContext, the unresolved operators
-        // inside a view maybe resolved incorrectly.
-        checkAnalysis(newChild)
-        view.copy(child = newChild)
+      case view: View if !view.child.resolved =>
+        ViewResolution
+          .resolve(view, resolveChild = executeSameContext, checkAnalysis = checkAnalysis)
       case p @ SubqueryAlias(_, view: View) =>
         p.copy(child = resolveViews(view))
       case _ => plan

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/ViewResolution.scala

@@ -0,0 +1,55 @@
+/*
+ * 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
+
+import org.apache.spark.sql.catalyst.plans.logical.{LogicalPlan, View}
+import org.apache.spark.sql.errors.QueryCompilationErrors
+import org.apache.spark.sql.internal.SQLConf
+
+object ViewResolution {
+  def resolve(
+      view: View,
+      resolveChild: LogicalPlan => LogicalPlan,
+      checkAnalysis: LogicalPlan => Unit): View = {
+    // The view's child should be a logical plan parsed from the `desc.viewText`, the variable
+    // `viewText` should be defined, or else we throw an error on the generation of the View
+    // operator.
+
+    // Resolve all the UnresolvedRelations and Views in the child.
+    val newChild = AnalysisContext.withAnalysisContext(view.desc) {
+      val nestedViewDepth = AnalysisContext.get.nestedViewDepth
+      val maxNestedViewDepth = AnalysisContext.get.maxNestedViewDepth
+      if (nestedViewDepth > maxNestedViewDepth) {
+        throw QueryCompilationErrors.viewDepthExceedsMaxResolutionDepthError(
+          view.desc.identifier,
+          maxNestedViewDepth,
+          view
+        )
+      }
+      SQLConf.withExistingConf(View.effectiveSQLConf(view.desc.viewSQLConfigs, view.isTempView)) {
+        resolveChild(view.child)
+      }
+    }
+
+    // Fail the analysis eagerly because outside AnalysisContext, the unresolved operators
+    // inside a view maybe resolved incorrectly.
+    checkAnalysis(newChild)
+
+    view.copy(child = newChild)
+  }
+}