Test fix, docstring fix

Author: anuunchin

dlt/destinations/utils.py

@@ -317,16 +317,9 @@ def _diff_between_actual_and_dlt_schema(
     destination table. It's used during schema synchronization to detect when columns may have
     been dropped from the destination and need to be removed from the dlt schema as well.
 
-    However, dlt internal columns (_dlt_id, _dlt_load_id) are treated specially because:
-
-    1. Users rarely drop dlt internal columns manually, and if they did,
-       dlt cannot recover from this situation anyway.
-
-    2. Athena has a constraint where dlt columns exist in the data but not in the table metadata:
-
-       - Athena external tables have fixed schemas defined at CREATE TABLE time
-       - These columns exist in the actual data files but don't appear in INFORMATION_SCHEMA
-       - This causes false positives where dlt columns appear "missing" when they're not
+    However, dlt internal columns (_dlt_id, _dlt_load_id) are treated specially because
+    users rarely drop dlt internal columns manually, and if they did,
+    dlt cannot recover from this situation anyway.
 
     Args:
         client (WithTableReflectionAndSql): The destination client with table reflection capabilities.

tests/load/pipeline/test_sync_dlt_schema.py

@@ -84,6 +84,8 @@ def _drop_column_in_sql(
             col_defs = [
                 f"{client.escape_ddl_identifier('id')} bigint",
                 f"{client.escape_ddl_identifier('name')} string",
+                f"{client.escape_ddl_identifier('_dlt_load_id')} string",
+                f"{client.escape_ddl_identifier('_dlt_id')} string",
             ]
             ddl = (
                 f"ALTER TABLE {client.make_qualified_ddl_table_name(table_name)} "
@@ -244,7 +246,7 @@ def test_sync_dlt_schema(
     logger_spy.assert_called()
     assert logger_spy.call_count == 1
     expected_warning = (
-        "Removing table 'my_last_table' from the dlt schema would leave orphan table(s):"
+        "Removing table 'my_last_table' from the dlt schema would leave orphaned table(s):"
         " 'my_last_table__children'. Drop these child tables in the destination and sync the dlt"
         " schema again."
     )