vladimirg-db commented on code in PR #49445:
URL: https://github.com/apache/spark/pull/49445#discussion_r1915380503


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sql/catalyst/src/main/scala/org/apache/spark/sql/connector/catalog/CatalogManager.scala:
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@@ -49,6 +49,9 @@ class CatalogManager(
   // TODO: create a real SYSTEM catalog to host `TempVariableManager` under 
the SESSION namespace.
   val tempVariableManager: TempVariableManager = new TempVariableManager
 
+  // This field will be populated and cleaned up by SqlScriptingExecution.
+  var scriptingLocalVariableManager: Option[VariableManager] = None

Review Comment:
   Yeah, but we are modifying the name resolution framework in the Analyzer 
(`ColumnResolutionHelper`). Even if there's just one script at a time, other 
queries will have an access to this variable manager and may access it 
concurrently.



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