deniskuzZ commented on code in PR #5715:
URL: https://github.com/apache/hive/pull/5715#discussion_r2063575994


##########
iceberg/iceberg-handler/src/main/java/org/apache/iceberg/mr/hive/HiveIcebergMetaHook.java:
##########
@@ -947,6 +951,26 @@ private void 
handleAddColumns(org.apache.hadoop.hive.metastore.api.Table hmsTabl
     updateSchema.commit();
   }
 
+  private void handleDropColumn(org.apache.hadoop.hive.metastore.api.Table 
hmsTable) throws MetaException {
+    List<FieldSchema> hmsCols = hmsTable.getSd().getCols();
+    List<FieldSchema> icebergCols = 
HiveSchemaUtil.convert(icebergTable.schema());
+
+    HiveSchemaUtil.SchemaDifference schemaDifference = 
HiveSchemaUtil.getSchemaDiff(hmsCols, icebergCols, true);

Review Comment:
   because replace can add columns, not the drop



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