diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/SessionCatalog.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/SessionCatalog.scala
index 4b862a579c..c05f777770 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/SessionCatalog.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/SessionCatalog.scala
@@ -1105,10 +1105,11 @@ class SessionCatalog(
    * Check if the function with the specified name exists
    */
   def functionExists(name: FunctionIdentifier): Boolean = {
-    val db = formatDatabaseName(name.database.getOrElse(getCurrentDatabase))
-    requireDbExists(db)
-    functionRegistry.functionExists(name) ||
+    functionRegistry.functionExists(name) || {
+      val db = formatDatabaseName(name.database.getOrElse(getCurrentDatabase))
+      requireDbExists(db)
       externalCatalog.functionExists(db, name.funcName)
+    }
   }
 
   // ----------------------------------------------------------------