khmgobe commented on code in PR #4335:
URL: https://github.com/apache/gravitino/pull/4335#discussion_r1702505708


##########
core/src/main/java/org/apache/gravitino/storage/relational/service/CommonMetaService.java:
##########
@@ -37,22 +37,20 @@ public Long getParentEntityIdByNamespace(Namespace 
namespace) {
         !namespace.isEmpty() && namespace.levels().length <= 3,
         "Namespace should not be empty and length should be less than or equal 
to 3.");
     Long parentEntityId = null;
-    for (int level = 0; level < namespace.levels().length; level++) {
-      String name = namespace.level(level);
-      switch (level) {
-        case 0:
-          parentEntityId = 
MetalakeMetaService.getInstance().getMetalakeIdByName(name);
-          continue;
-        case 1:
-          parentEntityId =
-              CatalogMetaService.getInstance()
-                  .getCatalogIdByMetalakeIdAndName(parentEntityId, name);
-          continue;
-        case 2:
-          parentEntityId =
-              
SchemaMetaService.getInstance().getSchemaIdByCatalogIdAndName(parentEntityId, 
name);
-          break;
-      }
+    if (namespace.levels().length > 0) {

Review Comment:
   @jerryshao @justinmclean 
   
   Is there a consensus? 
   Please let me know if you don't.
   
   If it's matched, we're going to make a change.
   
   The reason for asking again is that I think I'll change it
   when it's decided for sure because I'm afraid there will be a change in the 
future.



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