deniskuzZ commented on code in PR #5995:
URL: https://github.com/apache/hive/pull/5995#discussion_r2300389293


##########
iceberg/iceberg-handler/src/main/java/org/apache/iceberg/mr/hive/HiveIcebergStorageHandler.java:
##########
@@ -257,7 +258,8 @@ public Class<? extends AbstractSerDe> getSerDeClass() {
   public HiveMetaHook getMetaHook() {
     // Make sure to always return a new instance here, as HiveIcebergMetaHook 
might hold state relevant for the
     // operation.
-    return new HiveIcebergMetaHook(conf);
+    return StringUtils.isEmpty(MetaStoreUtils.getCatalogType(conf)) ?

Review Comment:
   that might not work for Hive managed iceberg catalogs. Do we need 2 type 
here: Hive managed and external catalogs?
   ````
   MetaStoreUtils.isExternalCatalog(conf) ? 
     new BaseHiveIcebergMetaHook(conf) : new HiveIcebergMetaHook(conf);
   ````
   ATM hadoop catalog uses `HiveIcebergMetaHook` as well, however, I am not 
sure if it should



##########
iceberg/iceberg-handler/src/main/java/org/apache/iceberg/mr/hive/HiveIcebergStorageHandler.java:
##########
@@ -257,7 +258,8 @@ public Class<? extends AbstractSerDe> getSerDeClass() {
   public HiveMetaHook getMetaHook() {
     // Make sure to always return a new instance here, as HiveIcebergMetaHook 
might hold state relevant for the
     // operation.
-    return new HiveIcebergMetaHook(conf);
+    return StringUtils.isEmpty(MetaStoreUtils.getCatalogType(conf)) ?

Review Comment:
   ATM hadoop catalog uses HiveIcebergMetaHook as well, however, I am not sure 
if it should



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