difin commented on code in PR #5123:
URL: https://github.com/apache/hive/pull/5123#discussion_r1571421601


##########
ql/src/java/org/apache/hadoop/hive/ql/ddl/table/storage/compact/AlterTableCompactOperation.java:
##########
@@ -62,6 +65,12 @@ public AlterTableCompactOperation(DDLOperationContext 
context, AlterTableCompact
       throw new HiveException(ErrorMsg.NONACID_COMPACTION_NOT_SUPPORTED, 
table.getDbName(), table.getTableName());
     }
 
+    if (desc.getPartitionSpec() != null && DDLUtils.isIcebergTable(table) &&

Review Comment:
   For the identity partition table, the suggested code works only for Iceberg 
tables, but not for native.
   Modified to: 
   
   ```
     public static boolean isIdentityPartitionTable(Table table) {
       return table.getStorageHandler() == null || 
table.getStorageHandler().getPartitionTransformSpec(table).stream()
           .map(TransformSpec::getTransformType)
           .allMatch(type -> type == TransformSpec.TransformType.IDENTITY);
     }
   ```



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